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Search the Coal Borehole Database | more info

Click A Search Method:



Select one or more 1:24,000 QUADRANGLES to search:



use the "ctrl" key to select more than one quadrangle


use an INDEX MAP to make selections
Search limits:
 Return Only Boreholes With CORE Available
Limit by Stratigraphic Range:
Click to view names below in ALPHABETICAL order |  HELP?

Upper Bed (STRATIGRAPHIC):

Lower Bed (STRATIGRAPHIC):

(Names are arranged by coal field)

 


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Last modified 2/18/2026 1:51:25 PM