Pesticides in public supply wells of the Central Columbia Plateau.

Mode of access: Internet.

USGS geochemical studies outline mineral potential and environmental hazards in southeastern Oregon.

Mode of access: Internet.

Great and Little Miami River Basins /

Mode of access: Internet.

Monograph - Geological Survey of Alabama.

No. 1 issued as its Report for 1881/82.

Theses on water resources: Stanford University, California Institute of Technology, and University of Southern California.

Mode of access: Internet.