Hydrologic data for the Big Spring Basin, Clayton County, Iowa, water year 1990
By: S.J. Kalkhoff ... [et al.] ; prepared in cooperation with the Iowa Department of Natural Resources (Geological Survey Bureau)
Contributors: Kalkhoff, Stephen J.; Iowa. Dept. of Natural Resources. Geological Survey Bureau.; Geological Survey (U.S.)
Series: Open-file report / U.S. Geological Survey -- 92-67.; U.S. Geological Survey open-file report -- 92-67.
Publisher: U.S. Geological Survey
Published: 1992
Place of publication: Iowa City, Iowa
Language: eng
Format: Microform
Number of pages: 80
Subjects: Hydrology -- Iowa -- Clayton County.; Stream measurements -- Iowa -- Clayton County.; Clayton County (Iowa)
Notes: Shipping list no.: 93-0540-M.

Includes bibliographical references (p. 26-28).

Microfiche. [Washington] : Supt Docs/GPO, 1993. 1 microfiche ; 11 x 15 cm.

s 1993 dcu n b.