Image: Lake Manly system

Description: The Lake Manly lake system as it might have looked during its last maximum extent 22,000 years ago. (USGS image). The Lake Manly lake system as it might have looked during its last maximum extent 22,000 years ago. Arrows indicate river water flow, gray lines are current highways, and red dots are towns. (USGS image). The Lake Manly lake system as it might have looked during its last maximum extent 22,000 years ago. (USGS image).
Title: Lake Manly system
Credit: Death Valley Geology Field Trip: Shoreline Butte: http://www.nature.nps.gov/geology/usgsnps/deva/ftsho1.html http://www.nature.nps.gov/geology/usgsnps/deva/lakemanly.gif
Permission: This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No