Field Notebook: Maryland, Washington, DC 1921
Page 72
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Transcription
but found the run of crinoids very few and scattering. Not wanting any of this layer as sleds concluded to go down 2 inches to the next layer with large stems and large crinoids. Of this layer concluded to take off a piece about five square. Set. 17 - Saturday With Darle took off the slab and then stripped off all the remainder of this layer because another crinoid layer showed on the lower side. This had long and large columns but no heads were seen until near the close of the day when 3 or 4 from large heads of Mariacrines turned up.