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1
Water levels and artesian pressure in observation wells in the United States in 1938 /
Published 1939Government Document Book -
2
Water levels and artesian pressure in observation wells in the United States in 1940.
Published 1941Government Document Book -
3
Water levels and artesian pressure in observation wells in the United States in 1937 /
Published 1938Government Document Book -
4
Water levels and artesian pressure in observation wells in the United States in 1935 : with statements concerning previous work and results /
Published 1936Government Document Book -
5
Water levels and artesian pressure in observation wells in the United States in 1936 : with statements concerning previous work and results /
Published 1937Government Document Book -
6
The occurrence of ground water in the United States : with a discussion of principles /
Published 1923Government Document Book