Population studies of four species of mollusks in the Madison River, Yellowstone National Park

Gillespie, David M.2015-05-122015-05-121966https://scholarworks.montana.edu/handle/1/4258enMollusksZoologyPopulation studies of four species of mollusks in the Madison River, Yellowstone National ParkDissertationCopyright 1966 by David Miller Gillespie