By: callanbentley
Image: USGS
License:
Public Domain
Uploaded: 9 Sep 2020
Last Updated: 30 May 2025
237 megapixels
17,549 x 13,499 pixels
58.5 in X 45.0 in at 300dpi
Tom Simkin, Robert I. Tilling, Peter R. Vogt, Stephen H. Kirby, Paul Kimberly, and David B. Stewart Cartography and graphic design by Will R. Stettner, with contributions by Antonio Villaseñor, and edited by Katharine S. Schindler USGS, 2006