C.S. Robbins, R. E. Stewart
1951, Audubon Field Notes (5) 325
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Publication Extents
Not all publications have extents, not all extents are completely accurateJ.B. Cope, M.M. Hensley
1951, Audubon Field Notes (5) 318
D.L. Allen
1951, Field and Stream (56) 32-33,
C.S. Robbins, R. E. Stewart
1951, Audubon Field Notes (5) 320-321
G.M. Bond, R. E. Stewart
1951, The Wilson Bulletin (63) 38-40
C.S. Robbins
1951, Maryland Birdlife (7) 38-40
M.M. Hensley, J.B. Cope
1951, The Auk (68) 483-493
During June and July of 1950 the writers were engaged in a study of bird populations in northern Maine in conjunction with investigations to determine the effectiveness of the breeding bird population as a controlling agent of the spruce budworm, Choristoneura fumiferana. The field work was started in 1949 and...
D.L. Allen
1951, Field and Stream (56) 36-38,
P. F. Springer, J.R. Webster
1951, Special Scientific Report - Wildlife 10
Briefly describes DDT experimental spraying program, wildlife species studied, the marsh, and tidal movements. Discusses resulting effects of DDT on vertebrates and invertebrates....
J.P. Linduska, P. F. Springer
1951, Special Scientific Report - Wildlife 9
Presents and discusses results of toxicity studies on northern bobwhite (Colinus virginianus). Compounds tested were chlordane, toxaphene, DDT, benzene hexachioride, methoxychior, TDE (Rhothane}, and parathion....
F.H. Dale
1951, Wildlife Leaflet 332
F.H. Dale
1951, Wildlife Leaflet 335
C. Cottam, F.M. Uhler
1951, Wildlife Leaflet 224 (reissued)
A. C. Martin, F.M. Uhler
1951, Research Report No. 30
R. E. Stewart, C.S. Robbins
1951, Book chapter, A Guide to Bird Finding East of the Mississippi
R. E. Stewart
S.A. Briggs, C.S. Robbins, editor(s)
1951, Book chapter, Where Birds Live: Habitats in the Middle Atlantic States
R. E. Stewart
S.A. Briggs, C.S. Robbins, editor(s)
1951, Book chapter, Where birds live: Habitats in the Middle Atlantic States
S.H. Low
Shirley A. Briggs, Chandler S. Robbins, editor(s)
1951, Book chapter, Where birds live: Habitats in the Middle Atlantic States
S.A. Briggs, C.S. Robbins, editor(s)
1951, Book
N. Hotchkiss, editor(s)
1951, Book
No abstract available....
C.S. Robbins
1951, Book
A. C. Martin, H.S. Zim, A.L. Nelson
1951, Book
Francis Alexander McKeown
1951, Trace Elements Investigations 67
John Stewart Vhay
1951, Trace Elements Memorandum 30-A
Six mining properties in Idaho and Montana at which radioactivity had been reported or suspected were briefly examine by J.S. Vhay and W.A. Roberts of the U.S. Geological Survey in October and November 1949. The properties in Idaho are the Grunter mine, from which radio-active mill concentrates have been reported; the...
V.E. McKelvey, L.E. Smith, R.A. Hoppin, F.C. Armstrong
1951, Open-File Report 51-18-D
The first of a series of reports giving detailed stratigraphic sections of the Phosphoria formation in the Western phosphate field as measured and described by the Geological Survey will be released as Circulars within the next few months. Because of the needs of industry for many of these data during...