r t avon burke

R. T. Avon Burke · U.S. Govt. Print. Off.

1696 sayfa · 1929

Soil surveys / Soils

R. T. Avon Burke · [U.S. Govt. Print. Off.

35 sayfa · 1931

Soils

R. T. Avon Burke, Bennett, Frank (Cartographer), Clarence Lounsbury · G.P.O.

36 sayfa · 1911

Soils

R. T. Avon Burke, W. D. Lee, C. S. Simmons · G.P.O.

61 sayfa · 1943

Soil surveys

Lee Roy Adolph Schoenmann, R. T. Avon Burke, United States. Bureau of Soils · G.P.O.

850 sayfa · 1918

Soils / Maps

Bennett, Frank (Cartographer), R. T. Avon Burke, Clarence Lounsbury, United States. Bureau of Soils · Govt. Print. Off.

34 sayfa · 1911

Soil surveys / Soils / Maps / Sols

R. T. Avon Burke, United States. Bureau of Chemistry and Soils, Georgia State College of Agriculture · G.P.O.

37 sayfa · 1935

Soil surveys / Soils