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[[underlined]] 1892 [[/underlined]] [[underlined]] December 4. - continued [[/underlined]] those well to the east in the Lanier exposure and about four feet from the base was greenish & we took specimens to see if it was due to glauconite. We observed that on the west side of Kansas Ave., between the last iron and first wooden trolley post the Archaean is exposed in a short anticline the highest part of which is four feet above the road bed. The contact is clear the Potomac consisting of the usual sands, gravels, clay pockets etc. Karl Woodward had obtained from another boy two large pieces of silicified wood, and we examined them at the house. One is a foot through and two feet long. He says that Mr. Hunter can give me their history. They are from the Kansas Ave. region. [[end page]] [[start page]] [[underlined]] December 5 [[/underlined]] Made another excursion to the White House Bluff locality in company with Victor Mason and spent 5 hours on the shore. Took the train to Accotink station and before leaving the railroad took a look at the cut below the station. Was Marine Tertiary, mostly greensand, and seems to be Pamunky, though it may be Chesapeake. Less than a mile south east of the station on the road just before reaching the little branch of the Accotink we found what is almost certainly Potomac sand deeply worn into by the water, forming pockets in it. The entire hill back of White House Bluff seems to be Chesapeake, showing a brownish sand in the road. We bore to the right by the same route which we took in coming out Nov. 20th, and struck Gunston Cove at its mouth. Then we followed this up half a mile to some exposures. Those immediately above the first ravine show 5 - or six feet of Potomac sand and gravel with clay pellets some of which are green (see specimens). The
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