Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Coffey,George N.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Laphm, Macy H., Neill, N.P.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Rice, Thomas D.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Holmes, J. Garnett]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., McLendon, W.E., Mesmer, Louis]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Carter, J.r, Wm. T., Smith, Wm. G.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Coffey, George N.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Rice, Thos. D., Griswold, Lewis]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Smith, Wm. G., Carter, Jr., Wm.T.]
Author
[Canada. Department of Mines and Technical Surveys, Nicholson, N. L. (Norman Leon), Comtois, Paul]
Note
Descriptive text on verso of (36) Soil survey maps: The portions of the 4 maps appearing on this plate illustrate the kinds of soil maps that are being prepared by the Experimental Farms Service of the Federal Department of Agriculture in co-operation with the Provincial Departments of Agriculture and the Departments of Soils at Canadian universities.
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Martin. J.O.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Marean, Herbert W., Jones, Grove B.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Caine, Thomas A.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Jones, Grove B., Carr, M.E.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Drake, J.E.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Bonsteel, F.E., Ayrs, O.L.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Hearn, W. Edward, Burgess, James L.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Caine, Thos. A., Kochler, A.E.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Lapham, J.E.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Hearn, W. Edward, Burgess, James L.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Hearn, W. Edwrd, Burgess, Jas. L.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Sanchez, A.M.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Burke, R.T. Avon]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Coffey, George N.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Bonsteel, J.ay A.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Sanchez, A.M.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Holmes, J. Garrett]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Smith, Wm. G.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Bennett, Jr., Frank]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Mangum, A.W., Root, Aldert S.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Sanchez, A.M.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Carter, Jr., Wm. T.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Holmes, J. Garnett]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Burke, R.T. Avon]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Bonsteel, F.E., Carter, Jr., Wm. T.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Rice, Thos. D., Griswold, Lewis]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Mesmer, Louis]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Bonsteel, F.E., Carter, Jr., Wm. T., Ayrs, O.L.]
Author
[Canada. Department of Mines and Technical Surveys, Nicholson, N. L. (Norman Leon), Comtois, Paul]
Note
Verso of (35) Soil regions.
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Mesmer, Louis]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Holmes, J. Garnett]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Fippin, Elmer O., Root, Albert S.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Jensen, Chas. A., Mackie, W.W.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Wilder, Henry J.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Lapham, Macy H.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Lapham, J.E.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Wilder, Henry J., Geib, W.J.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Caine, Thos. A., Kocher, A.E.]
Author
[U.S. Department of Agriculture. Field Operations of the Bureau of Soils., Jensen, Chas. A., Mackie, W.W.]
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