Books by Richard D. Koch
Database for the Quaternary an
Database for the Quaternary and Pliocene Yellowstone plateau volcanic field of Wyoming, Idaho, and Montana
Database for the geologic map
Database for the geologic map of the Bend 30- x 60-minute quadrangle, central Oregon
Trace-element data for stream-
Trace-element data for stream-sediment samples from the Bradfield Canal quadrangle, southeastern Alaska