Air quality data from the national air sampling networks and contributing state and local networks, 1964-1965.

Mode of access: Internet.

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.

Air quality data for 1968 from the National Air Surveillance Networks and contributing state and local networks.

Chiefly tables.

Precision and accuracy assessments for state and local air monitoring networks, 1981-1986 /

Mode of access: Internet.

Local Technical Assistance Program accomplishments and success - 1992.

Federal Highway Administration, Washington, D.C.

Impact of local library systems on the national networking environment : proceedings of the Library of Congress Network Advisory Committee Meeting, April 1-3, 1991.

Includes bibliographical references.