Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.

Geologic and water-supply reports and maps : New Hampshire, Vermont.

Mode of access: Internet.

Geologic and water-supply reports and maps : Utah.

Mode of access: Internet.

Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.

Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.

Geologic and water-supply reports and maps : Pennsylvania-New Jersey.

Mode of access: Internet.

Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.

Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.

Metropolitan Washington D.C. area water supply study, Maryland, Virginia, and the District of Columbia : main report /

"September 1983."

Water-supply potential of the Floridan aquifer in Osceola, eastern Orange, and southwestern Brevard counties, Florida /

Mode of access: Internet.

Surface Water Supply of New Mexico

1911-June 1914, 1930-1931 issued with the cooperation of the U.S. Geological Survey

Manual of individual water supply systems. Developed in cooperation with the Joint Committee on Rural Sanitation.

"Revision of PHS Publication no. 24, Individual water supply systems [by the Joint Committee on Rural Sanitation] issued in 1950."

Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.

Activities report - Basic and Applied Sciences Branch, Division of Water Supply and Pollution Control

Report covers fiscal year

Geologic and water-supply reports and maps : Puerto Rico-Virgin Islands.

Mode of access: Internet.