Aerial Waterfowl Breeding Ground Surveys in North Dakota, South 
Dakota, and Nebraska, 1950 by Edward G. Wellein, Flyway 
Biologist, U. S. Fish and Wildlife Service . . . 1 2. ee ew es © eo 2 
Waterfowl Breeding Ground Survey in Minnesota, 1950 by Forrest B. Lee, 
Minnesota State Federal Aid . 6 « « 6 «© «© © © © w@ ww ww ww we eee 
Waterfowl Breeding Ground Surveys, 1937 to 1950, Chippewa National 
Forest, Minnesota, by Jerome H. Stoudt, Flyway Biologist, 
U. S. Fish and Wildlife Service .». 6 « «© © ee se« see ee we es we ew we 
Waterfowl Breeding Ground Survey in Iowa, 1950 by James G. Sieh, 
lowa State Federal Aid wa. we & 2 a E Woe bee be 8 es eee 
Waterfowl Breeding Ground Survey in Wisconsin, 1950 by R. C. Hopkins, 
F. A. Hartmeister, R. W. Mihalek, L. R. Jahn, and W. M. Kitz, 
Wisednsin State Federal Aid «6 t ws we + 8 we ee ee ee he em 
Waterfowl Breeding Ground Survey in Michigan, 1950 by Herbert J. Miller, 
Michigan Conservation Commission ....4.4+s+6+e02ee802t essere 
Waterfowl Breeding Ground Survey in Indiana, 1950 by Russell E. Mumford, 
Indiana Conservation Department. oe © © © @ © © © «@ © © © © © © 8 @ 
Waterf owl Breeding Ground Survey in Ohio, 1950 by John M. Anderson, 
Game Technician, Lake Erie Waterfowl Clubs, Port Clinton, Ohio. . 
Waterfowl Breeding Ground Survey in Northeastern States, 1950 by 
‘Cc. E. Addy, Flyway Biologist, U. S. Fish and Wildlife Service -. .» 
Waterfowl Breeding Ground Survey in Maine, 1950 by Howard L. Mendall, 
Leader, Maine Cooperative Wildlife Research Unit. « ». «© + 2 se es 
Waterfowl Breeding Ground Survey in New Hampshire, 1949 and 1950 by 
Fteveay MAES G6 Fs ce le me 6 yl Als a B a Bx eo ce Ste! Woe tele 
Waterfowl Breeding Ground Survey in Delaware, 1950 by E. B. Chamberlain, 
Delaware State Federal Aid. «= « Ww 5 FW Fie eo im Sllitae ow 8 he 
Waterfowl Nesting Season on National Waterfowl Refuges, 1950 by 
Richard E. Griffith, Chief, Habitat Improvement, U. S. Fish and 
Wl die “(See viee 9 § ae aoe 4G Se &e Besse we tela we So em EF OR 
Woodcock Census Studies in Northeastern United States, 1950 by 
Howard L. Mendall, Leader, Maine Cooperative Wildlife Research 
Unit ® ° e e td 6 s a e s e e e e e ® ‘ 6 . . t e s é t s ° s a ® t e i 
Woodcock Singing Ground Counts in Eastern Canada, 1950 by Victor E. F. 
Solman, Canadian Wildlife SREVIGE ~ = Woe + te es o see 6 ae ew 
Wilson's Snipe Singing Ground Counts in Eastern Canada by Victor E. F. 
Solman, Canadian Wildlife Service * e« © © «© © 8 ©» @ © # @ @ @ © © @ @ 
Errata e 4 Ld se e * 2 e 6 e ® Ld e s 6 . ha L ¢ e ® s e . ® 6 8 s e * _ * ® a e e 
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