Audubon Lake Island erosion study using aerial photography and geographic information systems

by Bell, Alan D.
Published: U.S. Dept. of the Interior, Bureau of Reclamation, Applied Sciences Branch, Research and Laboratory Services Division, Denver Office, 1992

Remote sensing and geographic information systems in support of the national wildlife refuge monitoring program, James River, North and South Dakota

by Bell, Alan D.
Published: Applied Sciences Branch, Research and Laboratory Services Division, Denver Office, U.S. Dept. of the Interior, Bureau of Reclamation, 1992