U.S. GEOLOGICAL SURVEY GEOLOGIC INVESTIGATIONS SERIES MAP I-2726

Stratigraphic Framework and Depositional Sequences in the Lower Silurian Regional Oil and Gas Accumulation, Appalachian Basin: from Jackson County, Ohio, through Northwestern Pennsylvania, to Orleans County, New York

By Robert T. Ryder

Online Version 1.0

PDF FILES OF MAP

The PDF files of the map will produce a plot that faithfully replicates the format, symbols, colors, and line work of a USGS full-color printed map. (The actual published paper maps are 4-color offset-printed maps.) Sheet 1 is 1.6 MB, and page size at 100% is approximately 55" by 36". Sheet 2 is 450 KB, and page size at 100% is approximately 48" by 32". Plot resolution, quality, and colors will vary with plotter, inks, and paper used. Adobe Acrobat Reader 4 or later is required to read the map. Acrobat Reader 3 cannot display the maps because the page size exceeds the program's capabilities. A text pamphlet accompanies the map. This PDF file is 134 KB

Text pamphlet accompanying Geologic Investigations Series Map I-2726 [134 KB PDF file]
Geologic Investigations Series Map I-2726 Sheet 1 [1.6MB PDF file]
Geologic Investigations Series Map I-2726 Sheet 2 [450 KB PDF file]

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