07 maj 2004

Nu finns en hel del av USGS--Water Resources Publications online.
Circulars, Digital data series, Fact sheets, Hydrologic atlases, Open-file reports, Professional papers, Techniques of Water-Resources Investigations, Water Data Reports,Water-Resources Investigations Reports, Water-Resources Scientific Investigations Reports, Water-Supply Papers.

posted by åsa @ fredag, maj 07, 2004