Reconnaissance for radioactive deposits in the Ruby-Poorman and Nixon Fork districts, west-central Alaska, 1949,

Mode of access: Internet.

Preliminary reconnaissance for uranium in Connecticut, Maine, Massachusetts, New Jersey, New York, and Vermont, 1950-1959 /

"February 1969."

Reconnaissance for uranium in the provinces of Ayabaca and Huancabamba, Department of Piura, Peru /

"September 1957."

Reconnaissance for uranium in the province of Chota and Hualgayoc, Department of Cajamarca, Peru /

"December 1957."

Reconnaissance for uranium in the Ayacucho Basin, departments of Huancavelica and Ayacucho, Peru /

In cooperation with the Junta de Control de Energía Atómica del Peru.

Surveillance methods and ways and means of communicating with drivers. Prepared for: National Academy of Sciences, Highway Research Board.

"Contract no. HR-63-3-2."

The great reconnaissance; soldiers, artists, and scientists on the frontier, 1848-1861.

Mode of access: Internet.

Reconnaissance of the Chinle formation in the Cameron-St. Johns area Coconino, Navajo and Apache Counties, Arizona /

On cover: Exploration division, Grand Junction Operations Office, Grand Junction, Colorado.

Reconnaissance of the northwest rim of the Colorado river basin, Wayne and Garfield counties, Utah /

"January 1955."

Preliminary reconnaissance of parts of the Shirley Basin ; Albany, Carbon and Natrona Counties, Wyoming /

"September 20, 1954."

Results of an airborne reconnaissance for uranium in southeastern and south central Colorado /

"April 7, 1954."

Results of a reconnaissance water-quality sampling program of the Ogallala aquifer in Colorado, Kansas, Nebraska, Oklahoma, South Dakota, and Texas /

Bibliography: p. 7.

Engineer field manual : Parts I-VII. I. Reconnaissance. II. Bridges. III. Roads. IV. Railroads. V. Field fortification. VI. Animal transportation. VII. Tables, weights, measures and specific gravities. Prepared under the direction of the chief of engineers, U.S. Army.

War dept. doc. no. 355.

Air quality data from the national air surveillance networks and contributing State and local networks.

1967 ed. issued by Division of Air Quality and Emission Data, as APTD 69-22.

An Archaeological reconnaissance of the proposed FAP 406 corridor, Logan and Tazewell Counties, Illinois /

Report of a survey conducted under the auspices of the Illinois Archaeological Survey in cooperation with the U.S. Federal Highway Administration, the U.S. Heritage Conservation and Recreation Service, and the Illinois Dept. of Transportation.