@book{bhlitem81451, title = {Cliff-nesting raptor survey of the Sioux District, Custer National Forest : 1994 }, volume = {1995}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/81451}, note = {https://www.biodiversitylibrary.org/bibliography/35934}, publisher = {Helena, Mont, Montana Natural Heritage Program, c1995}, author = {Hendricks, P. and Dueholm, Keith H. and Custer National Forest (Agency : U.S.) and Montana Natural Heritage Program.}, year = {1995}, pages = {128}, keywords = {Birds of prey|Custer National Forest (Mont. and S.D.)|Ferruginous hawk|Golden eagle|Goshawk|Merlin (Bird)|Nests|Prairie falcon|Surveys|Swainson's hawk|}, }