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MAY 9 (legislative day, MAY 2), 1951.-Ordered to be printed with an illustration
CONTENTS
Page
Introductory statement..
Report of the Department of the Interior, National Park Service, letter of
transmittal..
A summary of wildlife resources and management work, 1950_.
The larger mammals.
1
3
5
Some needs for protection and management of wildlife in the
National Park Service..
Region 2 (North Central and Northern Rocky Mountain States)
The larger mammals___
The smaller mammals.
Bird life..--
The fish resources_
Major restoration problems.
Protection and management needs.
Region 3 (Southwestern States) -
Reptiles.
Bird life..
Fish resources.
Major restoration problems__
Need for protection and management.
Summary and conclusion __
Region 4 (Pacific coast) -
23
24
28
30
31
33
36
38
41
46
48
49
50
51
56
National Park Service___
60
Charts and tables.
61
Estimated numbers or relative abundance of mammals in na-
tional parks, 1950___
Estimated number of relative abundance of mammals in various
areas, 1950..
Estimated number or relative abundance of certain birds in
national monuments.
Report of the Department of the Interior, Fish and Wildlife Service, letter
of transmittal__
Federal wildlife conservation activities in 1950.
Branch of Wildlife Research_
Scope of activities.
Cooperative wildlife research unit program.
Waterfowl management investigations..
Wildlife population studies.
Studies to improve wildlife-management methods.
Studies of causes of wildlife depletion.
75
Studies to improve bird- and mammal-control methods.
Study of exotic game birds_
73
74
Summary of receipts, appropriations, and apportionments by
fiscal year.
Apportionment of funds to the States, Alaska, Hawaii,
Puerto Rico, and the Virgin Islands, for use in wildlife
restoration projects for fiscal year 1951.
Branch of Game Management...
Scope of activities..
Summary of activities and report on progress.
Law-enforcement activities_
Table 1. Summary of penalties imposed for viola-
tion of wildlife conservation laws, 1949–50_ _
Table 2. Cases of violations of the Migratory Bird
Treaty Act disposed of during the year and cases
still pending as of June 30, 1950.
Other activities.
Branch of Predator Control.
Public hunting on refuges-
85
86
87
Branch of Lands-
Scope of activities
Refuge land acquisition.
Refuge high lights.
Big-game refuges.
Progress under the act of August 14, 1946 (60 Stat.
1080; 16 U. S. C. 661-666c).
88
89
90
Toxahatchee National Wildlife Management area.
Appraisal of lands proposed for acquisition by the States_
Table 1. Acreage acquired or in process of acquisi-
tion for national wildlife refuges under the
Migratory Bird Conservation Act, by exchange
and act of Congress -
Report of the Department of the Interior, Fish and Wildlife Service-Continued
Federal wildlife conservation activites in 1950-Continued
Branch of Lands-Continued
Summary of activities and report on progress-Continued
Appraisal of lands proposed for acquisition-Continued
Table 3. Areas of wildlife management units-
title in the United States, administered by the
respective States__
Table 4. Areas of national wildlife units and ad-
ministrative sites showing control on public-
domain lands and including costs of service-
acquired lands
Table 5. Summary by States and Territories show-
ing areas of wildlife refuge, management, and
administrative site lands showing control on
public-domain lands, and including costs of
service-acquired lands.......
101
102
103
Table 6. Areas of national wildlife refuge units on
privately owned land administered under ease-
ments granted by owners of fee title.
Table 7. Areas of fishery biology stations showing
control of public-domain lands, and including
costs of service-acquired lands_
105
106
Table 8. Areas of fish-cultural stations showing
costs of service-acquired lands..
Review of activities and accomplishments of the Office of River
Basin Studies for the calendar year 1950__
110
Scope of activities...
Drainage studies.
International Convention for the Regulation of Whaling-
United States-Mexico Tuna Convention...
United States-Costa Rica Tuna Convention.
118
The International Convention for the Great Lakes Fish-
eries.
119