31/12/1969
Mode of access: Internet.
bib
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http://hdl.handle.net/2027/mdp.39015001496770
http://hdl.handle.net/2027/mdp.39015001496788
eng
Washington : U.S. Govt. Print. Off,
Geological Survey water-supply paper
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements.
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