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Marble and Limestone, Maryland 1909

Marble and Limestone, Maryland 1909 Click on the MEDIA ITEMS below for more information


The only occurrence of the Tomstown formation in Maryland is confined to the eastern part of Washington County, which it traverses in a general northeast-southwesterly direction. Entering the State from Pennsylvania immediately east of the Waynesboro Branch of the Western Maryland Railroad, it crosses the main line between the stations of Smithsburg and Cavetown, following the foot of the western slope of South Mountain. The area occupied is about 1 1/2 miles wide. The eastern limit of the formation follows the foot of the mountain, while its contact with the overlying Waynesboro follows a line from Cavetown southwestward past Mt. Pleasant to the Washington County Branch of the Baltimore and Ohio Railroad, a short distance west of Keedysville. A roughly parallel line passing a short distance west of Boonesboro and Smithburg describes the boundary on the east. East of a line from Smoketown to Eakles Mills there is infolded a narrow belt of the more resistant ridge-forming Waynesboro. The southern limits of the Toms-town formation are marked by faulting and folding which divides the areal distribution into two narrow areas, one ending south of Eakles Mills, the other faulted a mile more or less north of Tregore Station.

This formation also extends southward to the Potomac near Harpers Ferry, as a small area which has been shifted westward by faulting.

The two chief industrial developments within the limits of the Tomstown formation are widely separated and distinctly different. That at Cavetown is on the Western Maryland Railroad. Here, P. G. Zouck and Company operate a quarry for the manufacture of crushed stone for ballast and for burning to lime. The other operation is at Eakles Mills and is conducted for the quarrying of marble. The white crystalline limestone or marble won here is the result of metamorphism caused by the proximity to and also presence of intense folding and faulting.


Maryland Geological Survey

Public domain

Maryland Geological Survey: General Reports
Maryland Geological Survey
Published by Johns Hopkins Press, 1909.


Collection Location:
Harvard University, Digitized by Google.

Quarries and quarrying, Maryland; Marble, Maryland; Washington County (Md.), history

Washington County (Md.), 1900-1950

Western Maryland Regional Library
100 South Potomac Street
Hagerstown, Maryland 21740

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