PUCPR Search for 'an:172191'

Soil survey, Puerto Rico ... Department of Agriculture, Bureau of Plant Industry in cooperation with the University of Puerto Rico Agricultural Experiment Station.

By Roberts, Ray Carlton.
Washington [U.S. Govt. Print. Off. 1942 .
503 p. , Cover title. 23 cm..

Puerto Rico

Washington, D.C. Department of Agriculture, Bureau of Plant Industry 1900 .
503 p. , Published with the cooperation of University of Puerto Rico Agricultural Experiment Station. | At head of title : Soil Survey. | Cover title. | Includes explanatory notes.

Soil survey of San Juan area of Puerto Rico

By Boccheciamp, Rafael A..
[Washington] Soil Conservation Service 1978 .
x, 141 p.

Soil survey of the Humacao area of eastern Puerto Rico

By Boccheciamp, Rafael A..
[Washington] Soil Conservation Service 1977 .
iii, 103 p.

Soil survey of the Ponce area of southern Puerto Rico

By Gierbolini, Robert E..
[Washington] Soil Conservation Service 1979 .
iii, 80 p.

Soil survey of Arecibo area of northern Puerto Rico

Washington, D.C. Soil Conservation Service 1977 .
169 p.

Soil survey manual

[Washington, D.C.] U.S. Dept. of Agriculture | For sale by the Supt. of Docs., U.S. G.P.O. 1993 .
xix, 437 p. , "This is a revision and enlargement of U.S. Department of Agriculture Handbook No. 18, the Soil survey manual, issued October 1962, and supersedes it." 24 cm..

Soil taxonomy a basic system of soil classification for making and interpreting soil surveys

Washington U.S. Dept. of Agriculture, Soil Conservation Service 1999 .
869 p. , Tables. | Includes appendices and index. | Item 3 | S/N 001-000-02597-0 29 cm..

Soil survey of Arecibo area of northern Puerto Rico /

By Acevido, Gilberto..
Washington, D.C.: Soil Conservation Service; 1982 .
vii, 169 p., 49 p. of plates , Cover title. | "Issued March 1982"--P. iii. 30 cm..