TY  - BOOK
AU  - Ortiz,Roderick F.
ED  - Southeastern Colorado Water Activity Enterprise.
ED  - Geological Survey (U.S.)  
TI  - Methods to identify changes in background water-quality conditions using dissolved-solids concentrations and loads as indicators, Arkansas River and Fountain Creek, in the vicinity of Pueblo, Colorado
PY  - 2004///
CY  - Reston, Vir., Denver, Col.
PB  - U.S. Dept. of the Interior, U.S. Geological Survey, U.S. Geological Survey, Branch of Information Services [distributor]
KW  - Water
KW  - Pollution
KW  - Colorado
KW  - Pueblo Region
KW  - Local
KW  - Indicators Biology
KW  - Water quality
N1  - Shipping list no.: 2004-0508-M; Includes bibliographical references (p. 19-20); Also available online via the Internet from the USGS Web site. Address as of 07/13/2004: http://water.usgs.gov/pubs/sir/2004/5024/pdf/SIR-5024comp.pdf; current access available via PURL; Microfiche; [Washington, D.C.]; Supt. Docs./G.P.O; 2004; 1 microfiche : negative
UR  - http://purl.access.gpo.gov/GPO/LPS50159
ER  -