This database contains spring (April-June) and summer
(July-September) nitrate and sulfate wet deposition records for
1980-90, at the state and county levels of aggregation for the
states in the northeastern ...
Most current set of Hydrologic Unit Codes and names for the
U.S., Alaska, Hawaii, South Pacific, and the Carribean. A
national dataset physically located at WCC, Portland, OR.
Collection Organization: ...
The Irrigation Production Data System (IPDS) is a comprehensive
analysis system; it was developed as a tool for analyzing cost
and returns across states and U.S. farm production regions. It