Statistical analysis using SAS at the USEPA National Computer Center
By: by James B. Ingwersen
Contributors: United States. Forest Service. Watershed Systems Development Group
Series: WSDG application document -- WSDG-AD-00001
Publisher: Watershed Systems Development Group, USDA Forest Service
Published: 1981
Place of publication: Fort Collins, Colo
Language: eng
Number of pages: 51
Subjects: Water quality -- United States -- Measurement -- Data processing; Water quality management -- United States -- Data processing
Notes: Cover title

"January 1981."