Revision History for U.S. Geological Survey Open-File Report 2019-1081 By Oliver S. Boyd 3D geologic framework for use with the U.S. Geological Survey National Crustal Model, Phase 1—Western United States ----------------------------------------------------- Posted online November 27, 2019 ----------------------------------------------------- Revised and reposted December 20, 2019 The following changes were made to the Open-File Report: On the front page and front matter, the version number "ver. 1.1" was added and the citation was updated with (ver 1.1, December 2019) to reflect this. On fig. 7, p. 13, the cross section letters were changed to italics. On fig. 9, p. 16, corrected cross section lettering. On the p. 18, the URL for the Eungard reference was changed to http://www.dnr.wa.gov/publications/ger_ofr2014-04_puget_lowland_depth_to_bedrock.zip On p. 19, for the International Commission on Stratigraphy references, the version of the chart was changed to 2016/10.