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[[double underlined]] Calvert formation - Miocene At Chesapeake Beach. Md. [[/double underlined]] [[image - detailed drawing with numbered strata of soil with notes on each strata]] [[notes on each strata in three columns, first describing depth, second numbering the particular strata and third describing strata. There is an arrow pointing from each description in column 3 to the numbered strata in column 2.]] | 15 | Yellow sandy clay _____ | 14 | Yellow sandy clay _____ 32' | 13 | Blue sandy clay changing to yellow brown sandy clay in the upper 12 ft., fossiliferous throughout upper portions _____ 2'6" | 12 | Green. brown sandy clay, with fossil casts _____ 5' | 11 | Green. brown sandy clay. _____ 6' | 10 | Gray, green sand, with some clay & fossils, as below. * _____ 6' | 9 | Green, sandy clay with scattered layers of [[underlined]] Corbula elevata [[/underlined]] _____ 9' | 8 | Green, sandy clay; no fossils _____ 6' | 7 | Green, sandy clay with scattered layers of [[underlined]] Corbula elevata [[/underlined]] _____ 8' | 6 | Green, sandy clay, carrying numerous Corbula elevata _____ 7' | 5 | Green, sandy clay carrying [[underlined]] Thracia conradi [[/underlined]] _____ 0'6" | 4 | Greenish sandy clay carrying [[underlined]] Ostrea pererassa [[underlined]] _____ 62' | 1.2.& 3 | Bluish-green sandy clay revealed in well-boring Eocene | [[image - drawing of soil]] | Glauconitic sandy clay [[boxed]] * Turritella indentata Phacoides anadonta Crassatellities melinus Astarte cuneiformis Ostraea sellaeformis Pecten madisonius Macrocallista marylandica Atrina barrisii Arca subrostrata [[strikethrough]] Glycimeris parilis &c [[/strikethrough]] [[/boxed]]