Cover Image

O'Brien County, Iowa, 1986 : 1:100 000-scale topographic map /

Bibliographic Details
Corporate Authors: Geological Survey (U.S.), Iowa Geological Survey
Format: Government Document Map
Language:English
Published: Reston, Va. : Iowa City, Iowa : U.S. Geological Survey ; Iowa Geological Survey, [1987]
Series:County map series (topographic)
Subjects:
O'Brien County (Iowa) > Maps, Topographic.
Description
Item Description:Relief shown by contours and spot heights.
Panel title.
Compiled from USGS 1:24 000-scale topographic maps dated 1964-1972. Planimetry revised from aerial photographs taken 1980 and 1983 and other source data. Map edited 1986.
Includes location diagram and index to 1:24 000-scale maps.
Designed to be folded to approximately 25 x 11 cm.
"43095-A6-CF-100."
Cartographic material.
Physical Description:1 map : color ; 45 x 43 cm., on sheet 51 x 71 cm.