sand nine hundred and sixty feet; third, one hundred and eighteen degrees, twenty-one thousand one hundred and twenty feet; fourth, two hundred and eight degrees, thirty-six thousand nine hundred and sixty feet; fifth, two hundred and ninety-eight degrees, fifteen thousand eight hundred and eighty feet, to the point of beginning.

Third. A strip of land of sufficient width for a road to connect the two tracts of land on the island of Hawaii above described, the width and location of which strip shall be determined by the Secretary of the Interior.

Fourth. All that tract of land comprising portions of the lands of Honuaula and Kula, in the district of Makawao, and Kipahulu, Kaupo, and Kahikinui, in the district of Hana, on the island of Maui, containing approximately twenty-one thousand one hundred and fifty acres, bounded as follows: Beginning at a point called Kolekole, on the summit near the most western point of the rim of the crater of Haleakala, and running by approximate azimuths and distances: First, hundred and ninety-three degrees forty-five minutes, nineteen thousand three hundred and fifty feet along the west slope of the crater of Haleakala to a point called Puu-o-Ili; second, two hundred and sixty-eight degrees, twenty-three thousand feet up the western slope and across Koolau Gap to the point where the southwest boundary of Koolau Forest Reserve crosses the east rim of Koolau Gap; third, three hundred and six degrees thirty minutes, seventeen thousand one hundred and fifty feet along the southwest boundary of Koolau Forest Reserve to a point called Palalia, on the east rim of the crater of Haleakala; fourth, along the east rim of the crater of Haleakala, the direct azimuth and distance being three hundred and fifty-four degrees fifteen minutes, eighteen thousand three hundred feet, to a point on the east rim of Kaupo Gap, shown on Hawaiian Government survey maps at an elevation of four thousand two hundred and eight feet; fifth, eighty-eight degrees forty-five minutes, three thousand three hundred feet, across Kaupo Gap to a point called Kaumikaohu, on the boundary line between the lands of Kipahulu and Kahikinui; sixth, one hundred and two degrees and thirty minutes, forty thousand seven hundred and fifty feet, along the south slope of the crater of Haleakala to the point of beginning.

Fifth. All that tract of land comprising a portion of the Kau Desert, Kapapala, in the district of Kau, on the island of Hawaii, containing forty-three thousand four hundred acres, more or less, bounded as follows: Beginning at a galvanized-iron nail driven into the pahoehoe at the northeast corner of this tract of land, at a place called Palilele-o-Kalihipaa, and on the boundary between the lands of Kapapala and Keauhou, the coordinates of said point of beginning referred to Government survey trigonometrical station Uwekahuna, being twenty-six thousand and ten and four-tenths feet south and nine thousand nine hundred and thirty-two and four-tenths feet east, as shown on Government survey registered map numbered two thousand three hundred and eightyeight and running by true azimuths: First, three hundred and fifty degrees forty-three minutes, thirty

thousand and twenty-three feet, along the land of Kapapala to a point at seacoast; second, thence in a west and southwesterly direction along the seacoast to a station on a large flat stone, at a place called Na-Puu-o-na-Elemakule, at the seacoast boundary point of the lands of Kapapala and Kaalaala, the direct azimuth and distance being sixty-nine degrees thirty-four minutes thirty seconds, thirty-two thousand and forty-three feet; third, eighty-nine degrees twenty-seven minutes thirty seconds, thirty thousand six hundred and ninety feet, along the land of Kaalaala to the main 1868 lava crack, said point being by true azimuth and distance two hundred and ninety-six degrees twenty-seven minutes thirty seconds, two thousand one hundred feet from Government survey trigonometrical station Puu Nahala; fourth, thence up along the main 1868 lava crack, along the Kapapala pastoral lands to a small outbreak of lava from the 1868 lava crack, opposite the Halfway House, the direct azimuth and distance being one hundred and ninety-eight degrees, thirty-two thousand five hundred and fifty feet; fifth, two hundred and thirty degrees twenty-five minutes, twenty-seven thousand six hundred and fifteen feet, along the Kapapala pastoral lands to the west boundary of the Kilauea section, Hawaii National Park; sixth, three hundred and forty-six degrees twenty minutes, six thousand seven hundred and forty-two feet, along said west boundary to a small cone; seventh, two hundred and eighty-two degrees fifty minutes, nineteen thousand one hundred and fifty feet, along the south boundary of said Kilauea section, Hawaii National Park; eighth, two hundred and thirty-one degrees fifty minutes thirty seconds, five thousand four hundred and thirty feet, along said south boundary to the point of beginning. Chapter 12 of this title shall not apply to or extend over lands defined in subdivision 5. (Aug. 1, 1916, ch. 264, § 1, 39 Stat. 432; May 1, 1922, ch. 174, 42 Stat. 503, 504; Apr. 11, 1928, ch. 359, § 1, 45 Stat. 424.)

CROSS REFERENCES

Boundary of Hawaii National Park on island of Maui changed, see section 391a and 392a of this title. Extension of boundaries of Hawaii National Park, see section 391b of this title.

§ 391a. Same; boundary on island of Maui changed. The boundary of the Hawaii National Park on the island of Maui is changed to read as follows:

Beginning at a triangle on set stone, said mark being the Government survey triangulation station Puu Nianiau in the land of Kalialinui, and running by true azimuths:

1. Three hundred degrees fifty-seven minutes thirty seconds eleven thousand seven hundred and sixty-nine and three-tenths feet along the remaining portion of the land of Kalialinui to a concrete monument marked Number 1 on spur and on the west edge of Koolau Gap.

2. Two hundred and ninety-seven degrees fortyseven minutes thirty seconds fourteen thousand six hundred and fifty-two and six-tenths feet along same and across Koolau Gap to a concrete monument marked Number 3, the true azimuth and dis

tance from said monument to Government survey triangulation station Hanakauhi being forty-five degrees fourteen minutes nine hundred and eightyeight feet.

3. Two hundred and sixty-nine degrees fiftyseven minutes thirty seconds nine thousand and one and three-tenths feet along same to a concrete monument marked Number 7 on the southwest boundary of the land of Haiku.

4. Three hundred and six degrees thirty-nine minutes three thousand nine hundred and thirteen and four-tenths feet along the southwest boundary of the land of Haiku to a cross on large flat rock called Pohaku Palaha.

5. Two hundred and seventy-three degrees seven minutes four hundred and forty feet along the Nahiku tract to Government survey triangulation station Pakihi.

6. Thence following along summit of dividing ridge between Haleakala crater and Kipahulu Valley to an ahu at a place called Pakihi, the direct azimuth and distance being three hundred and fifty degrees four minutes thirty seconds seven thousand four hundred and fourteen and seven-tenths feet.

7. Thence along Government land and following along rim of the crater and crest of wall of Kaupo Gap to a four inch by four inch redwood post, the direct azimuth and distance being three hundred and fifty-six degrees forty-one minutes ten thousand eight hundred and sixty-seven and nine-tenths feet.

8. Eighty-six degrees one minute thirty seconds six thousand seven hundred and seventy-seven and four-tenths feet along grant 3457, lot 1, to A. V. Marciel, and the remaining portion of the land of Nuu (R. P. 8049, L. C. A. 6239 Apana 2 to Kalaimoku), passing over a cross on stone at Kauhaokamoa at three thousand four hundred and forty-one and eight-tenths feet and passing over an iron pipe on the west edge of the Koolau Gap at five thousand eight hundred and seventy-four feet.

9. One hundred and thirty-eight degrees fortytwo minutes thirty seconds nine thousand five hundred and seventy-four and two-tenths feet along the remaining portion of said land of Nuu to a cross on rock, the true azimuth and distance to Government survey triangulation station Haleakala 2 being one hundred and seventy-nine degrees thirteen minutes fifteen seconds nine hundred and forty-three and two-tenths feet.

10. Ninety-one degrees thirty-four minutes fortyfive seconds nine thousand nine hundred and sixty and four-tenths feet along same to a concrete monument marked Number 14, the true azimuth and distance from said monument to an arrow on rock called Kumuiliahi, marking the northeast corner of the land of Nakula, being one hundred and sixty-seven degrees twenty-eight minutes nine hundred and twenty-eight and seven-tenths feet.

11. Ninety degrees twenty-three minutes thirty seconds twelve thousand two hundred and fortynine and three-tenths feet along the remaining portion of the lands of Nakula and Kahikinui to a concrete monument marked Number 15.

12. One hundred and seventeen degrees fifty-two minutes thirty seconds five thousand two hundred and nine and two-tenths feet along the remaining portion of the land of Kahikinui to a concrete monument marked Number 16, the true azimuth and distance from said monument to Government survey triangulation station Kolekole, being ninety-eight degrees thirty minutes one thousand five hundred and forty-three and five-tenths feet.

13. One hundred and twenty-seven degrees thirtyeight minutes two thousand one hundred and seventy-five and six-tenths feet along same and the land of Papaanui to a concrete monument marked Number 17, the true azimuth and distance from said monument to a concrete monument marked Number 25, which marks the south corner of the land of Kealahou 3 and 4 being forty degrees ten minutes thirty seconds four hundred and sixty-six and two-tenths feet.

14. Two hundred and thirteen degrees forty-six minutes eight thousand two hundred and forty-one and two-tenths feet along the remaining portions of the lands of Kealahou 3 and 4 and Pulehunui to a concrete monument marked Number 19, the true azimuth and distance from said monument to a "K" marked on a large lava rock called Kilohana, at the east corner of the lands of Kealahou 3 and 4, being three hundred and twenty-three degrees fifty-three minutes nine hundred and forty-seven and threetenths feet.

15. One hundred and forty-three degrees fiftythree minutes six thousand nine hundred and five and three-tenths feet along the land of Pulehunui to a concrete monument marked Number 20.

16. One hundred and ninety-nine degrees twentythree minutes ten thousand seven hundred and twenty-six feet along the remaining portion of the land of Kalialinui to the point of beginning, passing over a concrete monument marked Number 22 at a distance of six thousand four hundred thirty-six and seventenths feet; including portions of the lands of Kealahou 3 and 4, Pulehunui, Kalialinui, Kaupo, Nuu, Nakula, Kahikinui, and Papaanui, Island of Maui, and containing seventeen thousand one hundred and thirty acres, more or less; and all of those lands lying within the boundary above described are included in and made a part of the Hawaii National Park subject to all laws and regulations pertaining to said park. (Feb. 12, 1927, ch. 111, § 1, 44 Stat. 1087.)

§ 391b. Same; extension of boundaries.

When title to all or any of the following-described lands on the island of Hawaii, in the Territory of Hawaii, shall be vested in the United States, such lands shall be, and the same are, added to and made a part of the Hawaii National Park:

Kalapana extension (being portions of the lands of Kahaualea, Panaunui, and Apua and all of the lands of Poupou, Pulama, Kamoamoa, Laeapuki, Panauiki, Kealakomo, and Kahue, in the district of Puna, and portion of the land of Keauhou, in the district of Kau): Beginning at the United States Coast and Geodetic Survey triangulation station Kupapau (marked by a survey tablet set in large

rock), the true azimuth and distance from said point of beginning to the United States Coast and Geodetic Survey triangulation station Hakuma (marked by a United States Coast and Geodetic Survey tablet set in smooth lava outcrop and surrounded by a circular patch of cement near edge of sea pali) being two hundred and forty-four degrees forty minutes and fifty seconds exactly fourteen thousand four hundred and thirteen feet and running as follows, all azimuths being measured clockwise from true south (note azimuths of courses 1 to 4, inclusive, are referred to Hakuma meridian):

Along the seacoast at high-water mark, in a general southwesterly direction for the first five courses, the true azimuths and distances between points on said seacoast being

1. Exactly sixty-six degrees and fifteen minutes twenty-six thousand three hundred and thirty-six and six-tenths feet to United States Coast and Geodetic Survey station Laeapuki, marked by a survey tablet set in mound and covered by a small cairn;

2. Exactly sixty degrees and ten minutes eighteen thousand seven hundred feet to Kaena Point;

3. Exactly seventy-one degrees and fifty-six minutes, twenty-one thousand three hundred and fifty feet to Apua Point;

4. Exactly ninety-eight degrees and forty-five minutes seven thousand four hundred feet to a pipe in concrete at a place called Okiokiahu (note: azimuths of courses 5 to 11, inclusive, are referred to Uwekahuna meridian);

5. One hundred and nine degrees fifty-seven minutes and twenty-two seconds ten thousand seven hundred and seventeen and nine-tenths feet to a pipe in concrete at a place called Makaloa; thence

6. One hundred and seventy degrees four minutes and thirty-nine seconds exactly six thousand eight hundred feet along Hawaii National Park. Kilauea section, to the foot of the Puueo pali;

7. Two hundred and forty-three degrees five minutes and thirty seconds exactly one thousand nine hundred and seventy-three feet along the foot of Puueo pali along portion of the land of Keauhou;

8. Exactly two hundred and eighty-six degrees fifty minutes exactly nine thousand seven hundred feet along portion of the land of Keauhou;

9. One hundred and seventy-eight degrees thirtyeight minutes and twenty-five seconds exactly twelve thousand five hundred feet along portion of the land of Keauhou to a pipe in concrete at top of the Poliokeawe pali;

10. One hundred and sixty-six degrees twenty-two minutes and twenty-four seconds twelve thousand four hundred and sixty-seven and nine-tenths feet along portion of the land of Keauhou to a pipe in concrete on the south boundary of Hawaii National Park, Kilauea section;

11. Exactly two hundred and sixty-nine degrees and ten minutes twenty-one thousand one hundred forty-six and five-tenths feet along Hawaii National Park, Kilauea section, to a pipe (note: azimuths of courses 12 and 13 are referred to Puu Huluhulu meridian);

12. Exactly two hundred and eleven degrees and thirty minutes thirteen thousand seventy-four and seven-tenths feet along Hawaii National Park, Kilauea section, to a pipe;

13. Exactly two hundred and eighty-one degrees exactly two thousand nine hundred and thirty-one feet along portion of the land of Kahaualea (note: azimuths of courses 14 to 24, inclusive, are referred to Hakuma meridian);

14. Exactly two hundred and twelve degrees and thirty minutes exactly eight thousand and fifteen feet along the land of Kahaualea;

15. Exactly two hundred and ninety-seven degrees and fifteen minutes exactly twenty-four thousand five hundred and fifty-two feet along the land of Kahaualea;

16. Exactly two hundred and forty-five degrees and fifty-eight minutes exactly six thousand one hundred and sixty-eight feet along the land of Kahaualea;

17. Exactly three hundred and twenty-six degrees and thirty-one minutes exactly five thousand two hundred and forty-eight feet along the land of Kahaualea;

18. Exactly three hundred and fifty-nine degrees and fifteen minutes exactly four hundred and fortyfive feet along the land of Kahaualea;

19. Exactly three hundred and twenty-nine degrees exactly two thousand two hundred and eleven feet along the land of Kahaualea;

20. Two hundred and thirty-four degrees thirtynine minutes and forty seconds exactly three thousand two hundred and eighty-three feet across portion of the land of Kahaualea;

21. Exactly three hundred and thirty-eight degrees and twelve minutes three thousand nine hundred and twenty-seven and five-tenths feet along the land of Kapaahu;

22. Exactly three hundred and thirty-four degrees and thirty minutes exactly one thousand seven hundred and eighty feet along the land of Kapaahu to the south corner of grant 3208 to West Kaloi;

23. Exactly three hundred and thirty-one degrees and thirty minutes five thousand and ninety-seven and eight-tenths feet along the land of Kapaahu to a point near seacoast; thence

24. To and along the seacoast at high-water mark to the point of beginning, the true azimuth and distance being: Exactly fifty-three degrees and eighteen minutes three thousand three hundred and sixty-four feet.

Area, forty-nine thousand three hundred and forty

acres.

Footprint extension: Beginning at the northeast corner of this tract of land, at a point on the west edge of the Keamoku Aa Flow (lava flow of 1823), and on the westerly boundary of Hawaii National Park, Kilauea section, as described in Governor's Executive Order 86, the coordinates of said point of beginning referred to Government survey triangulation station Uwekahuna, being four thousand seven hundred and six and six-tenths feet south and seventeen thousand nine hundred and seventy and three-tenths feet west, and the true azimuth and

distance from said point of beginning to Government survey triangulation station Ohaikea being one hundred and sixty-six degrees and twenty minutes exactly six thousand three hundred and fifty feet, as shown on Government survey registered map 2388, and running by azimuths measured clockwise from true south

1. Three hundred and forty-six degrees and twenty minutes exactly fourteen thousand two hundred and fifty-eight feet along Hawaii National Park, Kilauea section, as described in Governor's Executive Order 86;

2. Fifty degrees and twenty-five minutes exactly twenty-seven thousand six hundred and fifteen feet along Hawaii National Park, Kilauea section, as described in Governor's Executive Order 81, thence along the remainder of the Government land of Kapapala to the point of beginning as follows:

3. One hundred and ninety-one degrees no minutes and twenty seconds thirteen thousand five hundred and forty-four and five-tenths feet to a pipe at fence corner a little southwest of the old halfway house and about twenty feet southeast of the edge of the Government main road;

4. Two hundred and thirty-four degrees and twenty-five minutes one thousand three hundred and seventy-seven and five-tenths feet to a pipe on a mound of pahoehoe about ninety feet southeast of the Government main road;

5. Two hundred and twenty degrees and forty minutes exactly one thousand seven hundred and eighty-seven feet crossing the Government main road to a spike in large boulder in stone wall about one hundred and twenty-five feet north of the Government main road; thence

6. Along stone wall over the lava flows, the boundary following the wall in its turns and windings, the direct azimuth and distance being: two hundred and nineteen degrees twenty-two minutes and forty-five seconds exactly eighteen thousand one hundred and twenty-one feet to a point in said stone wall.

7. Two hundred and thirty-eight degrees and seven minutes exactly two hundred and fifty feet partly along stone wall to a pipe in the middle of a corral;

8. Two hundred and thirty-four degrees and two minutes exactly two hundred feet across corral and along stone wall to a point in said wall;

9. Two hundred and thirty-nine degrees and thirty minutes exactly three hundred and fifteen feet along stone wall to a pipe at end of wall and on the south side of the old Peter Lee Road;

10. One hundred and eighty-five degrees and thirty minutes exactly three hundred and eighty feet crossing old Peter Lee Road and along fence to a pipe at fence corner on the west bank of a ravine; thence

11. Following along the west bank of ravine, the direct azimuth and distance being: two hundred and three degrees and twenty-three minutes four hundred seventy-five and seven-tenths feet to a pipe on the west bank of the ravine;

12. Two hundred and twenty degrees and fiftyfour minutes exactly two hundred and forty-five feet across ravine and along fence to a spike in stone pile;

13. Two hundred and twelve degrees and fortyfour minutes exactly two hundred feet along fence to a spike in stone pile;

14. Two hundred and twenty-two degrees and fifty-three minutes exactly two hundred and forty feet along fence to a spike in stone pile;

15. Two hundred and twenty-five degrees and forty-six minutes three hundred and forty and sixtenths feet to the point of beginning and containing an area of five thousand seven hundred and thirty acres, more or less; and, in addition, any lands adjacent or contiguous to the Hawaii National Park as extended which, in the discretion of the Secretary of the Interior, are necessary for the proper rounding out of the boundaries of the park: Provided, That the United States shall not purchase, by appropriation of public moneys, any land within the aforesaid area, but such lands shall be secured by the United States only by public and private donations. (June 20, 1938, ch. 530, § 1, 52 Stat. 781.) § 391b-1. Laws applicable to lands added to park.

The provisions of sections 1, 2-4, and 391, 392, 393 of this title and all acts supplementary to and amendatory of said sections are made applicable to and extended over the lands added to the park by section 391b of this title: Provided, That the provisions of sections 791a-825r of this title shall not apply to or extend over such lands. (June 20, 1938, ch. 530, § 4, 52 Stat. 785.)

§ 391c. Same; withdrawal of lands for use as bombing target range.

Within a tract of land containing six thousand four hundred fifty acres, more or less, on the island of Hawaii in the Territory of Hawaii, located in the Hawaii National Park, created by sections 391, 393 and 394 of this title, and described as follows, to wit:

Beginning at a place called Na Puu O na Elemakule located at the southeastern corner of the Hawaii National Park, said point being marked by a triangle on a large flat stone, thence by azimuth (measured clockwise from true south) and distances as follows: Eighty-nine degrees twenty-seven minutes thirty seconds, three thousand three hundred feet along the southern boundary of Hawaii National Park; one hundred and seventy-nine degrees twenty-seven minutes thirty seconds, fourteen thousand five hundred and fifty feet over and across Pali to a point on Kau Desert Plateau; two hundred and forty-three degrees fifty-seven minutes no seconds, eighteen thousand four hundred and fifty feet to a point located above Hilima Pali; three hundred and fifty-nine degrees twenty-seven minutes thirty seconds, twelve thousand nine hundred and ninety feet more or less to high-water line; thence in southwesterly direction along the high-water line to the point of beginning; containing an area of six thousand four hundred and fifty acres, more or less; there shall be withdrawn from the control and jurisdiction of the Secretary of the Interior and transferred to the jurisdiction and control of the Secretary of the Air Force so much thereof as may be agreed upon between the Secretaries of the Air Force and Interior for use as an Air Corps bombing target range, and for such

other military purposes and uses as may be prescribed by the Secretary of the Air Force. (July 16, 1940, ch. 630, 54 Stat. 761; July 26, 1947, ch. 343, title II, § 207 (f), 61 Stat. 501.)

CHANGE OF NAME

The Secretary of War was changed to Secretary of the Air Force by act July 26, 1947.

§ 392. Same; acquisition of privately owned lands.

The governor of the Territory of Hawaii is authorized to acquire, at the expense of the Territory of Hawaii, by exchange or otherwise, all privately owned lands lying within the boundaries of the Hawaii National Park as defined by section 391 of this title, and all necessary perpetual easements and rights-of-way, or roadways, in fee simple, over or to said land or any part thereof, but the provisions of sections 663, 664, and 665-677 of Title 48, relating to exchanges of public lands shall not apply on the acquisition by exchange of the privately owned lands herein referred to. (Feb. 27, 1920, ch. 89, §§ 1, 2, 41 Stat. 452, 453.)

EXTENSION OF APPLICATION

Act Apr. 11, 1928, ch. 359, § 2, 45 Stat. 426, extended provisions of this section and made them applicable to lands added to the park and included within boundary established by section 391 of this title.

§ 392a. Same; provisions of section 392 extended to additional lands.

The provisions of section 392 of this title are extended over and made applicable to the lands added to the park and included within the boundary established by section 391a of this title. (Feb. 12, 1927, ch. 111, § 2, 44 Stat. 1089.)

§ 392b. Same; conveyance of added lands to United States by Governor.

The Governor of the Territory of Hawaii is authorized to convey to the United States any and all lands and interests in lands acquired by the Territorial Government under the provisions of sections 391b, 396, 396a of this title. (June 20, 1938, ch. 530, § 4, 52 Stat. 785.)

§ 393. Same; entries under land laws; rights-of-way; lands excluded.

Nothing contained in sections 391 and 394 of this title shall affect any valid claim, location, or entry existing under the land laws of the United States prior to August 1, 1916, whether for homestead, mineral, right-of-way, or any other purpose whatsoever, or shall affect the rights of any such claimant, locator, or entryman to the full use and enjoyment of his land. Whenever consistent with the primary purposes of the park, sections 79 and 522 of this title shall be applicable to the lands included within the park. The Secretary of the Interior may, in his discretion and upon such conditions as he may deem wise, grant easements or rights-of-way for steam, electric, or similar transportation upon or across the park. No lands located within the park boundaries held in private or municipal ownership prior to August 1, 1916, shall be affected by or subject to the provisions of this section and sections 391 and 394 of this title. (Aug. 1, 1916, ch. 264, §§ 2, 3, 39 Stat. 433, 434.)

CROSS REFERENCES

Licenses to citizens or associations or corporations for purpose of constructing, operating, and maintaining dams, water conduits, reservoirs, powerhouses, transmission lines, etc., upon any part of the public lands or reservations of United States, to be granted by Federal Power Commission, see section 797 (e) of this title.

§ 394. Same; control of; rules and regulations; leases; appropriations.

Hawaii National Park shall be under the executive control of the Secretary of the Interior. He shall perform the duties and exercise the powers enumerated in section 3 of this title, except as inconsistent with this section. The regulations promulgated shall provide for the preservation from injury, of all timber, birds, mineral deposits, and natural curiosities or wonders within said park, and their retention in their natural condition as nearly as possible. He may in his discretion grant leases for terms not exceeding twenty years, at such annual rental as he may determine, of parcels of land in said park of not more than twenty acres in all to any one person, corporation, or company for the erection and maintenance of buildings for the accommodation of visitors; but no such lease shall include any of the objects of curiosity or interest in said park or exclude the public from free convenient approach thereto or convey, either expressly or by implication, any exclusive privilege within the park except upon the premises held thereunder and for the time granted therein; and every such lease shall require the lessee to observe and obey each and every provision in any Act of Congress and every rule, order, or regulation of the Secretary of the Interior concerning the use, care, management, or government of the park, or any object or property therein, under penalty of forfeiture of such lease. He may in his discretion grant to persons or corporations holding leases of land in the park on August 1, 1916, upon the surrender thereof, new leases hereunder, upon the terms and stipulations contained in their present leases, with such modifications, restrictions, and reservations as he may prescribe. All of the proceeds of said leases and other revenues that may be derived from any source connected with the park shall be expended under the direction of the Secretary, in the management and protection of the same and the construction of roads and paths therein. He may also, in his discretion, permit the erection and maintenance of buildings in said park for scientific purposes. No appropriation shall be made for the improvement or maintenance of said park until proper conveyances shall be made to the United States of such perpetual easements and rights-of-way over private lands within the exterior boundaries of said park as the Secretary of the Interior shall find necessary to make said park reasonably accessible in all its parts, and said Secretary shall when such easements and rights-of-way have been conveyed to the United States report the same to Congress. (Aug. 1, 1916, ch. 264, § 4, 39 Stat. 434: June 5, 1924, ch. 263, 43 Stat. 390.)