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1
Water levels and artesian pressure in observation wells in the United States, 1942.
Published 1944Online Access
Government Document eBook -
2
Water levels and artesian pressure in observation wells in the United States in 1941.
Published 1943Online Access
Government Document eBook -
3
Water levels and artesian pressure in observation wells in the United States, 1940.
Published 1942Online Access
Government Document eBook