The ground-water resources of Albany County, New York
Theodore Arnow
1949, Bulletin GW-20
Mapping of geologic formations and aquifers of Long Island, New York
Russell Suter, Wallace De Laguna, N. M. Perlmutter
1949, Bulletin GW-18
Ground-water conditions in the Smoky Hill Valley in Saline, Dickinson, and Geary Counties, Kansas
B.F. Latta
1949, Kansas Geological Survey Bulletin (84)
Geology and ground-water resources of Pawnee and Edwards Counties, Kansas
Thad G. McLaughlin
1949, Kansas Geological Survey Bulletin (80)
Geology and ground-water resources of Norton County and north-western Phillips County, Kansas
J.C. Frye, A.R. Leonard
1949, Kansas Geological Survey Bulletin (81)
A mineralogical and chemical study of the leached zone of the Bone Valley formation of Florida : a progress report
Zalman Samuel Altschuler, C.E. Boudreau
1949, Trace Elements Investigations 102
No abstract available....
Wilson's warbler in Maryland in late December
C.S. Robbins
1949, The Auk (66) 207-208
On December 22, 1947, while participating in a Christmas Bird Count on the eastern shore of Maryland, I observed a Wilson's warbler (Wilsonia pusilla) feeding along a sunny margin of a woods near the Pocomoke River, three miles north of Snow Hill. It was with a flock of myrtle warblers...
[Book review] Birds' Nests--A Field Guide, by Richard Headstrom
C.S. Robbins
1949, Wood Thrush (5) 85
Ecology of a nesting red-shouldered hawk population
R. E. Stewart
1949, The Wilson Bulletin (61) 26-35
An ecological study of a nesting Red-shouldered Hawk population was made over a 185 square mile area on the Coastal Plain of Maryland in 1947. The courting and nesting season extended from late February until late June.....During the nesting season a combination of fairly extensive flood-plain forest with adjacent clearings...
The season--March-April 1949
C.S. Robbins
1949, Maryland Birdlife (5) 30-32
The season--May, June, July, August, 1949
C.S. Robbins
1949, Maryland Birdlife (5) 50-53
Birds of the season
C.S. Robbins
1949, Wood Thrush (5) 75-76
The season--November-December 1948
C.S. Robbins
1949, Maryland Birdlife (5) 8-10
State-wide bird count, May 7, 1949
C.S. Robbins
1949, Maryland Birdlife (5) 62-63
Forty-ninth Christmas bird count. 116. Southern Anne Arundel County, Md
C.S. Robbins, R. E. Stewart
1949, Audubon Field Notes (3) 73
Summary of Maryland nest records, 1949
C.S. Robbins
1949, Maryland Birdlife (5) 41-48
Distribution of North American birds
C.S. Robbins
1949, Audubon Field Notes (3) 262-264
Forty-ninth Christmas Bird Count
C.S. Robbins
1949, Audubon Field Notes (3) 35-38
Thirteenth breeding-bird census. 8. Red pine plantation
C.S. Robbins, I.R. Barnes
1949, Audubon Field Notes (3) 258
Birds of the season
E.C. Robbins, C.S. Robbins
1949, Wood Thrush (4) 161-162
Immunizing capacity of a lot of commercial mink distemper vaccine
J.A. Morris, D. R. Coburn
1949, Journal of the American Veterinary Medical Association (115) 259-260
Birds of the season
C.S. Robbins
1949, Wood Thrush (5) 28-29
Birds of the season
C.S. Robbins
1949, Wood Thrush (4) 232-233
Birds of the season
C.S. Robbins
1949, Wood Thrush (4) 107-108
DDT and the balance of nature
J.P. Linduska
1949, Proceedings and Papers of the International Technical Conference on the Protection of Nature (1) 363-371