Field Notebook: Maryland, Washington, DC 1921
Page 17
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Transcription
about 75' {lets then a thin zone of Haeckeli, followed by the Tailbite bed and macrophleura bed (3), Railroad "watch box" ken. Creymans limestone (Low Point). {Heavy foddled li. with chert. About 6' full, Does Sygidula occur here? (4) Had it best to consider a part of the New Zealand beds?} {Heavy and thin foddyl Huist to yellkish li. with chert goes. A well developed Strometipora zone at the tip and bottom. Has b. galeata corals and crinoids. Freder thinks the Sygidula occurs almost entirely here near the base. The shells are small.} Transition. {160' (2) Balatus bed. Thin foddyl Huist li. with zone of chert. Bryzon atundant. Shall variety of