Written items, especially those that are official, factual, or informative, often including graphics as well as text.
Organic metamorphism in the California petroleum basins: Chapter B - Insights from extractable bitumen and saturated hydrocarbons [ More info] Part B of a complex report on the results of geochemical analysis of 75 shale samples from the Los Angeles, Ventura, and San Joaquin Basins to gather observations relevant to exploration regarding the formation of oil deposits in these basins.
Ospreys in Oregon and the Pacific Northwest [ More info] Fact sheet in Adobe PDF about ospreys in Oregon and the Pacific Northwest
Post-fire burn assessment by remote sensing on Federal lands [ More info] Remote sensing and field sampling techniques to support national assessment of burned areas
Primer on water quality [ More info] Fact sheet on what "water quality" means, how it is determined, and the natural processes and human activities that affect it.
Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [ More info]
Report of the Community Sediment Transport Modeling Workshop [ More info] Report on workshop to explore a community approach to improving deterministic models of sediment transport in coastal seas, estuaries, and rivers.
SAGEMAP: a web-based spatial dataset for sage grouse and sagebrush steppe management in the Intermountain West [ More info] Links to fact sheet describing the database of spatial information on sage grouse and sagebrush habitats.
Salvinia molesta, Salvinia weevil, Salvinia minima [ More info] Life history and identification of Salvinia species, a floating, rootless tree fern and a noxious aquatic weed. Site includes posters, instructions on submitting sightings, how to subscribe to a listserv on the weed, and a bibliography.
Scientific drilling in Long Valley, California: What will we learn? [ More info] Description of 1998 drilling project at Long Valley Exploratory Well located on Long Valley Caldera's resurgent dome to monitor changing conditions beneath the dome. (Document in PDF format.)
Selected volcano information [ More info] Selected books, maps, videos, and other materials produced by the USGS Volcano Hazards Program. Many products highlighted here are intended for general audiences.
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