"By W.B. Cobb, and S.F. Davidson" -- t.p.Advance sheet--Field operations of the Bureau of Soils, 1917.Mode of access: Internet
"[Advance sheets--field operations of the Bureau of Soils, 1916.]"Mode of access: Internet
"By E. P. Carr ... [et al.]" -- title page.Advance sheets--Field operations of the Bureau of Soils, ...
Advance sheets--Field operations of the Bureau of Soils, 1916."By W. B. Cobb, and H. W. Hawker" -- t...
"By T. Avon Burke, and H.D. Lambert" -- t.p.Advance sheets--Field operations of the Bureau of Soils,...
Map laid in."Advance sheets--field operations of the Bureau of Soils, 1917".Mode of access: Internet
"By R.C. Jurney, and S.O. Perkins" -- t.p.Advance sheets--Field operations of the Bureau of Soils, 1...
"Advance sheets--field operations of the Bureau of Soils, 1918"--Cover.Mode of access: Internet
"Advance sheets, Field operations of the Bureau of Soils, 1916."At head of title: U.S. Department o...
Advance sheets -- Field operations of the Bureau of Soils, 1918."By N.M. Kirk ... [et al.] -- t.p.Mo...
Advance sheets -- Field operations of the Bureau of Soils, 1916.Mode of access: Internet
"By A. L. Goodman, and E. M. Jones" -- title page.Advance sheets--Field operations of the Bureau of ...
"By John T. Miller and Arthur E. Taylor" -- p. 1."Issued December 1937" --on cover.Cover title.Mode ...
Advance sheets--Field operations of the Bureau of Soils, 1907.Mode of access: Internet
"By W. D. Lee, and S. F. Davidson" -- p. 1.Cover title.Includes bibliographical references.Mode of a...
"Advance sheets--field operations of the Bureau of Soils, 1917".Mode of access: Internet
"[Advance sheets--field operations of the Bureau of Soils, 1916.]"Mode of access: Internet
"By E. P. Carr ... [et al.]" -- title page.Advance sheets--Field operations of the Bureau of Soils, ...
Advance sheets--Field operations of the Bureau of Soils, 1916."By W. B. Cobb, and H. W. Hawker" -- t...
"By T. Avon Burke, and H.D. Lambert" -- t.p.Advance sheets--Field operations of the Bureau of Soils,...
Map laid in."Advance sheets--field operations of the Bureau of Soils, 1917".Mode of access: Internet
"By R.C. Jurney, and S.O. Perkins" -- t.p.Advance sheets--Field operations of the Bureau of Soils, 1...
"Advance sheets--field operations of the Bureau of Soils, 1918"--Cover.Mode of access: Internet
"Advance sheets, Field operations of the Bureau of Soils, 1916."At head of title: U.S. Department o...
Advance sheets -- Field operations of the Bureau of Soils, 1918."By N.M. Kirk ... [et al.] -- t.p.Mo...
Advance sheets -- Field operations of the Bureau of Soils, 1916.Mode of access: Internet
"By A. L. Goodman, and E. M. Jones" -- title page.Advance sheets--Field operations of the Bureau of ...
"By John T. Miller and Arthur E. Taylor" -- p. 1."Issued December 1937" --on cover.Cover title.Mode ...
Advance sheets--Field operations of the Bureau of Soils, 1907.Mode of access: Internet
"By W. D. Lee, and S. F. Davidson" -- p. 1.Cover title.Includes bibliographical references.Mode of a...
"Advance sheets--field operations of the Bureau of Soils, 1917".Mode of access: Internet
"[Advance sheets--field operations of the Bureau of Soils, 1916.]"Mode of access: Internet
"By E. P. Carr ... [et al.]" -- title page.Advance sheets--Field operations of the Bureau of Soils, ...
Advance sheets--Field operations of the Bureau of Soils, 1916."By W. B. Cobb, and H. W. Hawker" -- t...