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 experimental channel for the study of air entrainment in high-velocity flow /

Mode of access: Internet.

Air-water mixture flow through orifices, bends, and other fittings in a horizontal pipe /

Mode of access: Internet.

The distribution of air in self-aerated flow in a smooth open channel /

Mode of access: Internet.

Improvement of grading practices for the air training command schools.

"ATRC manual 50-900-9."

Pharmacopoeia of the United States of America, The United States pharmacopoeia.

Two conventions were held in 1830, both of which issued a revision of Pharmacoepeia.

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.

Airfield dedication and Hall of Heroes enshrinement : home of Training Air Wing Two.

Shipping list no.: 87-126-P.

Compilation of selected public health laws : including particularly the Public Health Service Act, the Clean Air Act, the Solid Waste Disposal Act, the Mental Retardation Facilities and Community Mental Health Centers Construction Act, and the Federal Water Pollution Control Act.

Mode of access: Internet.

Bonfires to beacons : Federal civil aviation policy under the Air commerce act, 1926-1938 /

Mode of access: Internet.

Plumbing, heating, and air conditioning shop mathematics,

Mode of access: Internet.

Enforcement of environmental regulations [microform] : hearings before the Subcommittee on Environmental Pollution of the Committee on Environment and Public Works, United States Senate, Ninety-sixth Congress, first session, May 23 and 24, 1979.

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

Government regulations affecting the U.S. automobile industry [microform] : hearing before the Subcommittee on Surface Transportation of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-seventh Congress, first session, on government regulations affecting the U.S. automobile industry, January 28, 1981.

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

Bullinger's postal and shippers guide for the United States and Canada and Newfoundland.

Title varies slightly.

Supplement to H[ydrographic] O[ffice publication] no. 261. Naval air pilot, West Central Africa (including Cape Verde, Ascension, and St. Helena Islands); weather summary.

Mode of access: Internet.