Geologic map of the Grand Canyon 30ʹ x 60ʹ quadrangle, Coconino and Mohave Counties, northwestern Arizona /

Bibliographic Details
Main Author: Billingsley, George H.
Corporate Authors: Geological Survey (U.S.), United States. National Park Service
Format: Map
Language:English
Published: [Reston, Va.] : The Survey, 2000.
Edition:Version 1.0, last modified Nov. 21, 2000.
Series:Geologic investigations series ; I-2688.
Subjects:
Online Access:http://greenwood.cr.usgs.gov/pub/i-maps/i-2688/
Description
Item Description:Title from index screen (viewed Dec. 18, 2000).
"Prepared in cooperation with the U.S. National Park Service"--.pdf file.
Relief shown by coutours.
Includes text, diagrams, location map and explanatory pamphlet.
Electronic resource.
Format:Mode of access: World Wide Web.