University of Guyana Library

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Welch, Ivan A.

Photo-interpretation key: Vegetation types of Guyana, by/ I.A. Welch, O.R. Sampson and G.S. Bell.- - [Georgetown]: Ministry of Mines and Forests, 1972. - 59: illus., map, photos, 5 plates. - (Forestry bulletin, 4 (new series)) .

Summary in Portuguese and Spanish.

Bibliography: l. 58-59.

Subjects--Topical Terms:
Guyana--Aerial photography in forestry.
Aerial photography in forestry.