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