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Current results range from 1827 to 2025

41.
Water Resources Conservation in Irrigated Agriculture
Author
Library of Congress. Congressional Research Service
Published
[S.l] : [s.n.], 1979-1980.
Online
Online resource
Location
Yale Internet Resource >> None
Format
Books / Online
42.
Conservation of Water and Energy in Irrigated Agriculture
Author
Library of Congress. Congressional Research Service
Published
[S.l] : [s.n.], 1978.
Online
Online resource
Location
Yale Internet Resource >> None
Format
Books / Online
43.
Plan of conservation & development for Connecticut : policies for land and water resources
Author
Connecticut
Published
Hartford CT : The Author, 1974.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
44.
Books on conservation and environment for youth libraries
Author
Vita, Susan H.
Published
Washington : U.S. Dept. of the Interior. Office of Library Services, [1971]
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
45.
Problems of Alaska. Joint hearings before the Committee on Public Works and the Committee on Commerce, United States Senate, Ninety-first Congress, second session .
Author
United States. Congress. Senate. Committee on Public Works
Published
Washington, U.S. Govt. Print. Off., 1970
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
46.
Problems of Alaska Joint hearings before the Committee on Public Works and the Committee on Commerce, United States Senate, Ninety-first Congress, second session ..
Author
United States. Congress. Senate. Committee on Public Works
Published
Washington : U.S. Govt. Print. Off., 1970.
Online
Online resource
Location
Yale Internet Resource >> None
Format
Books / Online
47.
Kansas conservation needs inventory, 1967
Author
Kansas. State Soil and Water Conservation Needs Committee
Published
[Salina : Kansas State Office of the USDA Soil Conservation Service], 1969.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
48.
Program summary of the land and water conservation ("LAWCON") and state natural resource programs
Published
St. Paul, Minn. : Office of Local & Urban Affairs, State Planning Agency, [1969]
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
49.
Working for you: Michigan Department of Natural Resources
Author
Michigan. Department of Natural Resources
Published
[Lansing, Mich., 1969?]
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
50.
Fourth progress report to the Legislature, 1967 regular session
Author
California. Legislature. Senate. Fact-Finding Committee on Natural Resources
Published
[Sacramento, Calif. : The Committee, 1967]
Online
v.1
v.2
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online