Dix Island granite

United States Treasury Building Washington, D.C.

Description

A medium grain, gray granite quarried on Dix Island, Maine, from the mid 19th century. Dix Island granite was used for the U.S. Treasury building, the New York Post Office, and the Charleston Custom House.

Authority

• Website address 1 Comment: http://vulcan.wr.usgs.gov/LivingWith/VolcanicPast/Places/volcanic_past_washington_DC.html

• Website address 2 Comment: http://www.cagenweb.com/quarries/states/me-maine_granite_quarry_list2.html