Change log for “Geological Map of Garrett, Allegany and western Washington Counties in Maryland” ----------------------------------------------------------------------------------------------- Western MD Geologic Map Version 1.2 (April 20, 2014) 1. PDF map (WesternMDGeologyV1_2.pdf) typographic errors fixed: a) "Mckenzie" is now "McKenzie". b) "and the Bloomsburg Formation rarely exceeds 100 feet (30 cm) in thickness.” now reads as "and the Bloomsburg Formation rarely exceeds 100 feet (30 m) in thickness.” c) Cross-section vertical scale changed/corrected from meters to feet 2. The following bedrock unit description were added to the geodatabase and Excel spreadsheet: Bloomsburg Formation Keefer Formation McKenzie Formation Rose Hill Formation These units are described in the undifferentiated units "McKenzie-Bloomsburg Formations" and "Rose Hill-Keefer Formations". For consistency we also describe them as individual units. These changes were also made to the Excel spreadsheet "GeologicUnitDescriptionsfoArcGIS.xls". 3. The geodatabase contained a reference to " McKenzie-Keefer Formations (undivided)". This is incorrect and has been corrected to “McKenzie-Bloomsburg Formations(undivided)”. ------------------------------------------------------------------------------------------------ Western MD Geologic Map Version 1.1 (February 4, 2013) 1. Color of unit Dh in cross section corrected 2. Geologic Map Compilation Sources: reference 15 refers to Barton and Westernport quadrangles, but the location map shows “15” in the Accident quadrangle. This has been corrected.