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Investigations of methods of determining abundance of breeding mourning doves in certain eastern states
A.J. Duvall, C.S. Robbins
1952, Book chapter, Investigations of Methods of Appraising the Abundance of Mourning Doves
A call count over a 20 mile route (beginning 1/2 hour before local official sunrise and with 20 stops of 3 minutes duration 1 mile apart) gives a more practical index to the abundance of mourning doves in the breeding season than roadside counts and area population studies tried in...
Where are the ducks?
W. Slavik, F.M. Uhler
Shirley A. Briggs, editor(s)
1952, Book chapter, The Potomac Valley: History and Prospect
Ground-water data collected in the Missouri River basin units in Kansas during 1951
B.J. Mason, Delmar W. Berry
1952, Report
Ground-water studies in the Missouri River Basin were begun by the United States Geological Survey during the fall of 1945 as a part of the program for development of the resources of the basin by the U.S. Bureau of Reclamation and other Federal Agencies. The studies of the ground-water resources...