Downloadable Project Publications

Water Quality and Quantity of Selected Springs and Seeps Along the Colorado River Corridor, Utah and Arizona: Arches National Park, Canyonlands National Park, Glen Canyon National Recreation Area, and Grand Canyon National Park, 1997-98, OFR 2003-496
(pdf 9430 KB) (zipped pdf 5560 KB)

Data from Synoptic Water-Quality Studies on the Colorado River in the Grand Canyon, Arizona, November 1990 and June 1991, OFR 96-614
(pdf) (zipped MS Word)

Method for the Determination of Dissolved Chloride, Nitrate, and Sulfate in Natural Water Using Ion Chromatography, OFR 95-426A
(pdf) (zipped MS Word)

Inductively Coupled Plasma-Mass Spectrometric Method for the Determination of Dissolved Trace Elements in Natural Water, OFR 94-358
(pdf) (zipped MS Word)

Automated, Colorimetric Methods for Determination of Nitrate Plus Nitrite, Nitrite, Ammonium and Orthophosphate Ions in Natural Water Samples, OFR 93-638
(pdf) (zipped MS Word)

Re-evaluation and extension of the scope of elements in US Geological Survey Standard Reference Water Samples, Analyst, 1998, 123, 455 - 476, DOI: 10.1039/a706350d
(link to download site at "The Analyst", NOTE: please also check the 'Additions/Correction' link for correct table headings)