Water-resources investigations in Iowa, 1968 / conducted by the United States Geological Survey, Water Resources Division in cooperation with the Iowa Geological Survey, and other state, municipal, and federal agencies.

Shows the location of hydrologic data stations, observation wells, and investigations in progress.

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Bibliographic Details
Corporate Author: Iowa Geological Survey (Contributor)
Other title:Map title: Hydrologic data network and investigations in progress in Iowa as of October 1968.
Format: Government Document Map
Language:English
Published: Washington, D.C. : Interior--Geological Survey, 1969.
Subjects:
Description
Summary:Shows the location of hydrologic data stations, observation wells, and investigations in progress.
Item Description:Panel title.
Includes text and tables.
"W69261."
Includes text on both sides, tables, and 4 ancillary maps: Normal annual precipitation, in inches, 1931-60 -- Average annual runoff, in inches -- Average discharge of the principal rivers -- Availability of ground water.
Physical Description:1 map : color ; 26 x 30 cm, on sheet 27 x 61 cm, folded to 27 x 21 cm.
Bibliography:Includes bibliographical references.