Limitations in the use of the end-window counter in the assaying of stream waters for beta radioactivity /

Mode of access: Internet.

Soil survey of Hoke County, North Carolina /

"Advance sheets--field operations of the Bureau of Soils, 1918"--Cover.

Ecological changes associated with the industrialization of Cedar Bayou and Trinity Bay, Texas /

Mode of access: Internet.

Analysis of the sulfur content of Illinois streams, with emphasis on contributions from the atmosphere /

Cover title.

Baseline loadings of nitrogen, phosphorus, and sediments from Illinois watersheds : October 1980 - September 1996 /

The purpose of the report is to evaluate baseline loadings of nutrients and sediment to the Mississippi River and the Ohio River from the state of Illinois and to identify the sources of those loads; also evaluated are baseline loadings of nutrients and sediments to the Illinois River from its tributaries.

Dynamic modeling and monitoring of water, sediment, nutrients, and pesticides in agricultural watersheds during storm events /

"Contract report 655"--Cover.

The Economic impact of proposed regulation R82-2 : atomic radiation regulations /

Project no. 83/7010.

Natural history of New York

Each v. has also individual t.-p.

Assignment of field parties ...

Mode of access: Internet.

A reconnoissance soil survey of Pennsylvania

Mode of access: Internet.

Soil survey of the Ventura Area, California,

"Reprinted from the Report on field operations of the Bureau of Soils for 1901."

Soil survey of the Yuma area, Arizona-California,

[Advance sheets--Field Operations of the Bureau of Soils, 1904]

Reconnoissance soil survey of the middle San Joaquin Valley, California /

"Advance sheets--Field operations of the Bureau of Soils, 1916."

Soil survey of the Anaheim area, California /

Mode of access: Internet.

Soil survey of the Stockton area, California /

Map on folded sheet inserted.