Western Region - Monthly Evening Lecture Series

Title: Dark Holes in Muir's "Range of Light"
Subtitle: Insights from southern Sierra Nevada caves and karst
Speaker: John Tinsley, Geologist
Moderator: Leslie Gordon
Date Recorded: August 30, 2007
Length: 1 hour 23 Minutes

To turn on closed captions click on the "T" button on the player controls.

U.S. Department of the Interior | U.S. Geological Survey
URL: http://online.wr.usgs.gov/calendar/2007/aug07.html
Page Contact Information: sarriola@usgs.gov
Page Last Modified: Tuesday, 06-Nov-2007 18:59:20 EST