Inland wetlands of the United States : evaluated as potential registered natural landmarks /

Mode of access: Internet.

Description of the ecoregions of the United States /

Mode of access: Internet.

Report of the delegation of the United States to the Secretary of State.

Mode of access: Internet.

Astronautics symposium.

Each vol. has also distinctive title: 1957, Vistas in astronautics.

OAR directory.

Mode of access: Internet.

Rural sociological research in the United States. A social science research monograph.

Mimeographed.

Landing party manual, United States Navy.

Pamphlets in loose-leaf binder.

Financing of rural nonfarm housing in the United States

Includes bibliographical references.

The Hired farm working force.

1954 issued as U.S. Agricultural Marketing Service. AMS 103; 1956-60 as U.S. Dept. of Agriculture. Agriculture information bulletin no. 187, etc.; 1961- as U.S. Dept. of Agriculture. Economic Research Service. Agricultural economic report no. 36, etc.

Report, the screwworm problem in the southwestern United States and northeastern Mexico, with comments on control and eradication /

Cover title.

Simplex method and theory; notes on linear programming and extension-----part 62.

"Contract no. AF 49(638)-700."

Ohio River Basin comprehensive survey-- [microform] main report and development program formulation. Communication from the Chairman, United States Water Resources Council, transmitting the Council's report on a comprehensive program for water and related land use in the Ohio River Basin, pursuant to Public law 89-80.

Reuse of record except for individual research requires license from Congressional Information Service, Inc.

Mammals imported into the United States in 1968 /

Mode of access: Internet.

Fisheries of the United States /

Mode of access: Internet.

Register of the army and navy of the United States.

Includes index.