Geochemistry of soils and shallow ground water, with emphasis on arsenic and selenium, in part of the Garrison Diversion Unit, North Dakota, 1985-87 / by Donald A. Goolsby ... [et al.] ; prepared in cooperation with the U.S. Bureau of Reclamation (Water-resources investigations report ; 89-4104)
Geochemistry of soils and shallow ground water, with emphasis on arsenic and selenium, in part of the Garrison Diversion Unit, North Dakota, 1985-87 / by Donald A. Goolsby ... [et al.] ; prepared in cooperation with the U.S. Bureau of Reclamation