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21.
A visit to the United States of America to study soil conservation, by Colin Maher ... by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Nairobi, Printed by the Government Printer, 1940
Availability: No items available.

22.
Soils and security. United States Department of agriculture, Soil conservation service. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington, U.S. Govt. print. off., 1941]
Availability: No items available.

23.
... Erosion and related land use conditions in Winona county, Minnesota, by Mark H. Brown and Iver J. Nygard ... by Series: U. S. Soil Conservation Service. Erosion survey ; no. 17
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [U.S. Govt. Print. Off., 1941]
Availability: No items available.

24.
Conservation practices for the range lands of the southern Great Plains. Soil conservation service, U.S. Department of agriculture. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington, U.S. Govt. print. off., 1941]
Availability: No items available.

25.
Erosion and related land use conditions on the West Tauy creek demonstration project, Kansas, by R. G. Dunmire ... United States Department of agriculture, Soil conservation service. by Series: Erosion survey ; no. 21
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [U.S. Govt. print. off., [1941]
Other title:
  • West Tauy creek demonstration project, Kansas.
Availability: No items available.

26.
Soil conservation districts in action on the land / by Glenn K. Rule. by Series: Miscellaneous publication (United States. Department of Agriculture) ; no. 448.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1941
Availability: No items available.

27.
Early American soil conservationists / [by Angus McDonald]. by Series: Miscellaneous publication (United States. Department of Agriculture) ; no. 449.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1941
Availability: No items available.

28.
Erosion and related land use conditions on the Box elder creek project, Nebraska, by H. C. Mortlock ... and R. D. Greenawalt ... by Series: Erosion survey ; no. 22
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington, U.S. Govt. print. off., 1941]
Other title:
  • Box elder creek project, Nebraska
Availability: No items available.

29.
Physical land conditions on the Leatherwood creek demonstration project, Lawrence county, Indiana, by D. R. Kunkel... C. A. Engberg... and C. L. Whiteford... by Series: United States. Soil conservation service ; Physical land survey no. 24
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [United States Govt. print. off., 1941]
Availability: No items available.

30.
Teamwork to save soil and increase production / by P.A. Waring. by Series: Miscellaneous publication (United States. Department of Agriculture) ; no. 486.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : Soil Conservation Service, U.S. Dept. of Agriculture, 1942
Availability: No items available.

31.
Controlling coastal sand dunes in the Pacific Northwest / Willard T. McLaughlin and Robert L. Brown. by Series: Circular (United States. Department of Agriculture) ; no. 660.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Dept. of Agriculture, 1942
Availability: No items available.

32.
Physical land conditions on the Farmersburg-McGregor project, Clayton county, Iowa, D. E. Perfect ... and D. A. Sheetz ... by Series: Physical land survey ; no. 28
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C., [U.S. Govt. print. off., 1942]
Other title:
  • Farmersburg-McGregor project, Clayton County, Iowa
Availability: No items available.

33.
Physical land conditions in Tama county, Iowa. by J. A. Bonsteel ... J. A. Elwell ... R. R. Finley ... by Series: Physical land survey ; no. 27
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C., United States Dept. of agriculture, Soil conservation service, 1943
Availability: No items available.

34.
Plowman's folly, by Edward H. Faulkner ... by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Norman, University of Oklahoma press, 1943
Availability: No items available.

35.
Physical land conditions in Muskingum and Guernsey counties, Ohio, by C. L. Whiteford ... A. H. Paschall ... and E. C. Sease ... by Series: Physical land survey ; no. 32
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C., United States Dept. of agriculture, Soil conservation service, 1944
Availability: No items available.

36.
Physical land conditions : in the western and southeastern Baca County soil conservation districts, Colorado / by John J. Underwood. by Series: Physical land survey ; no. 30.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Dept. of Agriculture, Soil Conservation Service, [1944]
Availability: No items available.

37.
Physical land conditions in Washington county, Minnesota, by J. A. Bonsteel ... and G. A. Simpson ... by Series: Physical land survey ; no. 36
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C., United States Dept. of agriculture, Soil conservation service, [1944]
Availability: No items available.

38.
Prevention and control of gullies ... by Series: United States. Dept. of Agriculture. Farmers' bulletin ; no. 1813
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington, U.S. Govt. Print. Off., 1944]
Availability: No items available.

39.
Food or famine, the challenge of erosion, by Ward Shepard. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: New York, The Macmillan Company, 1945
Availability: No items available.

40.
The land renewed; the story of soil conservation, by William R. Van Dersal and Edward H. Graham. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: New York, Oxford university press, 1946
Availability: No items available.

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