Soils of the United States. (Edition, 1913.)

By Marbut, Curtis Fletcher..
Washington, Govt. Print. Off., 1913 .
791 p. , In the present volume the subject matter contained in Bulletin 55 and Bulletin 78 of the Bureau of soils is revised and brought down to Jan. 1, 1912. See Letter of transmittal. 23 cm..

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Crisscross trails; narrative of a soil surveyor.

By Lapham, Macy H..
Berkeley, Calif., W. E. Berg 1949 .
viii, 246 p. 23 cm..

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Soils of the United States. (Edition, 1913.)

Crisscross trails; narrative of a soil surveyor.