157. Page, R. D., and J. F. Cassell. 1971. Waterfowl nesting on a railroad
right-of-way in North Dakota. Journal of Wildlife Management 35:544-549.
Nest success was calculated on the basis of 80 of 85 nests. Of five nests
not included, four were abandoned and one was destroyed by a search vehicle.
These desertions were attributed to search operations.