Semmer, Charles

Scope and Contents (2643BC) Slash burn in Angola, Africa in 1963, copies, October 28, 1974; (3201BC) African scenes, copies, October 15, 1975; (3548B) Cattle damage in Africa, copies, June 24, 1976; (3860B) Desertification in the Sahel, January 28, 1977; (4045C) African scenes, broken trees by cattle, cattle on road, copy, May 16, 1977; (4712B) Africa, Sahel, desertification, cattle overgrazing, credit AID, July 31, 1978; (6199B) Savannah burning in Africa in early 1970s, copy, February 8, 1984; (7212B) Lakes...

Scope and Contents

(1878B) Africa, people, copies, NCAR Photographics Lab date: June 1, 1973; (2665BC) Africa, people, Global Atmospheric Research Program's [GARP] Atlantic Tropical Experiment [GATE] program, copies, November 1974; (2986C) Africa, people, copy, June 5, 1975; (3012C) African school children, June 18, 1975; (3050C) Africa, people, Mali Sahel, July 14, 1975; (3079C) African fire eater, July 17, 1975.

Scope and Contents

(6775C) Air Force dropsonde in Mississippi, eight drops, 10am to noon, drops 500 feet and up, April 30, 1986; (6847C) Air Force [AF] dropsonde test, Boulder Atmospheric Observatory tower, July 30, 1986.

Scope and Contents

(5662B) Water pollution, air pollution in Denver, copies, credit: The Denver Post.

Scope and Contents (272) Air sampling equipment, November 29, 1966; (498) Air sampler, December 6, 1967; (580B) Air sampling apparatus, airborne, Line Island configuration, February 13, 1967; (585BC) Air sampling device, February 16, 1967; (589B) Air sampling device, February 23, 1967; (891B) Air sampling apparatus, copy, January 7, 1969; (1055) Air sampling system, Sabreliner, Jefferson County Airport [Jeffco], May 21, 1970; (1174B) Man with instrument, air sampling, copy negative from color slide, NCAR...

Scope and Contents

(1281) Repackaging of Airborne Research Instrumentation System II [ARIS II], a Global Atmospheric Research Program [GARP] component, recorder, in studio.