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451 Second Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution 1880-'81 [Excerpt]wwdl_nehText
452 Second annual report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1880-'81wwdl_nehText
453 Sediment Delivery by Ungaged Tributaries of the Colorado River in Grand Canyonwwdl_erText
454 Sediment oxygen demand in Upper Klamath and Agency Lakes, Oregon, 1999wwdl_erText
455 Selected elements and organic chemicals in bed sediment and tissue of the Tualatin River Basin, Oregon, 1992-96wwdl_erText
456 Selected hydrologic data for the upper Rio Hondo basin, Lincoln County, New Mexico, 1945-2003wwdl_erText
457 Selected trace-element and synthetic-organic compound data for streambed sediment from the Clark Fork-Pend Oreille and Spokane River Basins, Montana, Idaho, and Washington, 1998wwdl_er
458 Seventeenth Annual report of the Upper Colorado River Commissionwwdl_documentsText
459 Shallow ground-water quality in the Platte River Valley alluvium, Nebraska, October-November 1997wwdl_erText
460 Sierra Club v. Gilbert Stamm and other legal cases involving environmental impact statementswwdl_nehText
461 Simulated effects of ground-water management scenarios on the Santa Fe group aquifer system, Middle Rio Grande Basin, New Mexico, 2001-40wwdl_erText
462 Simulated effects of the proposed Sulphur Gulch Reservoir operations on Colorado river quantity and qualitywwdl_erText
463 Simulated water-management alternatives using the modular modeling system for the Methow River Basin, Washingtonwwdl_erText
464 Simulation of ground-water flow in the Middle Rio Grande Basin between Cochiti and San Acacia, New Mexicowwdl_erText
465 Soaking the Desert: The Story of Water in Utah Part 1wwdl_avSound
466 Soaking the Desert: The Story of Water in Utah Part 2wwdl_avSound
467 Soaking the Desert: The Story of Water in Utah Part 3wwdl_avSound
468 Social Organization of the Western Pueblos [Excerpt]wwdl_nehText
469 Some bacteria are beneficial!wwdl_erText
470 Songs of the Zuni Kachina Society: Composition, Rehearsal, and Performancewwdl_nehText
471 Sources of mercury in sediments, water, and fish of the lakes of Whatcom County, Washingtonwwdl_erText
472 Sources of water to the Rio Grande upstream from San Marcial, New Mexicowwdl_erText
473 South Platte Water Rights Management Systemwwdl_er
474 Southern trails to California in 1849 [Excerpt]wwdl_nehText
475 The Southwestern Journals of Adolph F. Bandelier 1880-1882 [Excerpt]wwdl_nehText
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