/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Hall%2C%20George%20Martin%2C%22&sort_by=relevance&format=rss 2 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26270 By Watts, Arthur Simeon,.
Baltimore, The Johns Hopkins press, 1922 .
270 p. , Also published in Maryland. Geological survey. [Reort] Vol. XI (1922) p. [289]-559. 26 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=26270 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26717 By Hall, George Martin,.
Washington : Govt. print. off., 1929 .
vi, 118 p., 7 leaves of plates : , At head of title: Department of the Interior. | Prepared in cooperation with the State engineer; the Department of chemistry of the Montana State college, Bozeman; and the Water laboratory of the Montana State board of health. 23 cm..

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