"Report of the Superintendent of the U. S. Coast and Geodetic Survey Showing the Progress of the Work during the Fiscal Year Ending with June, 1880", U.S. Coast & Geodetic Survey
This volume contains a report of field operations for the year, 18 appendices and 32 folded charts. Many of the appendices discuss and illustrate the instruments used in coast survey work. There is also a large folded chart of the explorations of Columbus. Other folding sketches include: Point Judith to New York City; New York City to Cape Henlopen; Coast and Sounds of North Carolina; Chesapeake Bay and tributaries; Gulf of Mexico and Caribbean Sea; and many more.