Musgrove, Jack W. Waterfowl in Iowa / [electronic resource] / by Jack W. Musgrove and Mary R. Musgrove. Illustrated by Maynard F. Reece.. — 5th ed.. — Des Moines, Ia. : : State Conservation Commission,, 1977.. — x, 130 p. : : ill. ; 24 cm. Subjects--Topical Terms: Water birds. LC Class. No.: KF3790 / .C65