| Notes: | Apparently a work book issued with blank maps to be filled in with weather information. Maps show weather information transcribed by "Abbe" from Jan. 10 to Jan. 18, 1873 with approximately 8 periodic entries per day.
"L.H. Rogers & Co., 61 William St., N.Y., Manifold map process, patented Jul. 18, 1870."
"Entered according to Act of Congress in the year 1871 by L.H. Rogers & Co. in the Office of the Librarian of Congress at Washington."
Printed on cover : "for use as an illustration of progress in map making since the seventies."
Prime meridian: Greenwich and Washington.
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