USGS - science for a changing world

USGS Online Publications Directory

Icon  Name                           Last modified      Size  
[PARENTDIR] Parent Directory - [IMG] coverthb.jpg 2020-02-12 15:33 21K [   ] ofr20191136.pdf 2020-02-12 15:29 2.1M [   ] ofr20191136_surfaceTraceToo..> 2020-02-11 17:37 7.0K

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/of/2019/1136/
Page Contact Information: Contact USGS