on the left
Large CALIX core samples of green granite drilled prior to the last job furnished from Redstone in 1948 by the Swenson and Fletcher granite companies for an addition to the Criminal Courts building in NYC. Conway green granite was specified by the architect, quarried at Redstone and shipped by rail to Concord, N.H. and Milford, M.A. for final finishing by the Swenson and Fletcher companies respectively.
Three thousand and two foot core drilled in 1974-75 for exploration by the US Energy Research and Development Administration. The purpose was to evaluate the heat flow and geothermal potential of the Conway Granite. Secondarily to evaluate the potential source of uranium and thorium assocciated with the Conway Granite. Results did not warrant further exploration. However, there have been further speculations of potential geothermal sources within the Mount Washington Valley.
Three thousand and two foot core drilled in 1974-75 for exploration by the US Energy Research and Development Administration. The purpose was to evaluate the heat flow and geothermal potential of the Conway Granite. Secondarily to evaluate the potential source of uranium and thorium assocciated with the Conway Granite. Results did not warrant further exploration. However, there have been further speculations of potential geothermal sources within the Mount Washington Valley.
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