Roger R. Hammer

Identifiers

Open LibraryOL1596778A

Top Subjects

Nebraska (1)
Clay County (1)
Soils -- Nebraska -- Clay County -- Maps (1)
Soil surveys -- Nebraska -- Clay County (1)
Soil surveys -- Nebraska -- Cherry County (1)
Soils -- Nebraska -- Cherry County -- Maps (1)

Books by Roger R. Hammer

Total count: 2

Soil survey of Clay County, Nebraska.

U.S. Dept. of Agriculture, Soil Conservation Service1981-01-01
Soil survey of Cherry County, Nebraska

U.S. Dept. of Agriculture, Natural Resources Conservation Service2005-01-01