17/24 Near the top of the package you find a piece of limestone weighing about two pounds, of which the upper stratum was composed; there are two pieces of the lower stratum, resembling blue pipestone. About ten miles N.E. There is also a specimen of the marble, which we saw little of; but since our arrival I am informed that a large bluff, composed of the same, is seen 30 to 40 miles from this. The gypsum I picked up on St.Martin's Islands." On reaching Detroit, Gov. |