...estimates, and recommendations of the Mississippi River Commission created by an act entitled "An act to provide for the appointment of a Mississippi River Commission for the impro%-ement of said river from the Head of the Passes, near its mouth, to its head-waters," approved...

...Mississippi River. — This survey, authorized by the law creating the Mississippi River Commission to extend from the Head of the Passes near its mouth to Its headwaters, has been made with a view of obtaining accurate data for topographical and hydrographlcal maps for...

...by an act entitled "An act to provide for the appointment of a Mississippi River Commission for tbe improvement of said river from the Head of the Passes, near its month, to its head-waters", approved June twenty-eighth, eighteen hundred and seventy-nine : Provided,...