Ruddy, Barbara C Methods of data collection and water-quality data for Standley Lake, Jefferson County, Colorado, 1989-90 [electronic resource] / by Barbara C. Ruddy, David A. Johncox, and David K. Mueller ; prepared in cooperation with the City of Arvada ... [et al.]. — Denver, Colo. : : U.S. Geological Survey : : Books and Open-File Reports Section [distributor],, 1992. — v, 187 p. : : maps ; 28 cm - U.S. Geological Survey open-file report ; 92-44 .
Chiefly tables Distributed to depository libraries in microfiche Shipping list no.: 93-0368-M