This large and informative book is the report of the survey for the First Geological District and contains 46 beautiful lithographic plates at the back of the report with 653 pp. of text and an appendix describing the plates. The volume is complete with all plates and the large folding geological map is present. Quarto, hardbound in original brown cloth with fossil graphic on front cover.

Bound into the book is Mather's large folding Geological Map of Long & Staten Islands... ( 50 x 22.5") that was based on the surveys of J. Calvin Smith. This colorful geological map shows 8 different geologic formations and covers Long Island, Staten Island and the greater environs of the New York City area. At lower-right is an inset of New York Island or Manhattan. Editions of this book with the map still attached are incredibly scarce.

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Condition: B

The map, now loose, is toned where it folded into the report with a few small spots and faint offsetting. Text and plates are good to very good with scattered foxing more pronounced in the back half of the report. Original covers show shelf wear with a replaced spine constructed of paper tape with a hand-written title.