Half Rounds and Wedges

Contributed by Maine Granite Industry Historical Society

Half Rounds and Wedges

This record was added to Maine Memory Network through the efforts of a student.


Half rounds are driven between wedges in a line of holes drilled into granite. The granite then breaks along lines to form large blocks. This image shows a half round in a block of granite.

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About This Item

  • Title: Half Rounds and Wedges
  • Creation Date: circa 1900
  • Subject Date: circa 1900
  • Local Name: Hall Quarry
  • Town: Mount Desert
  • County: Hancock
  • State: ME
  • Media: Metal
  • Object Type: Physical Object

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For more information about this item, contact:

Maine Granite Industry Historical Society
62 Beech Hill Crossroad, Mount Desert, ME 04660
(207) 244-0175

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