Results of Spirit Leveling in Maryland 1896 to 1911, Inclusive
DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH, DIRECTOR f . BTJIAETIN 563 t RESULTS OF SPIRIT LEVELING IN MARYLAND 1896 TO 1911, INCLUSIVE R. B. MARSHALL, CHIEF GEOGRAPHER Work done in cooperation with the State through the Maryland Geological Survey William Bullock Clark, State Geologist WASHINGTON GOVERNMENT PRINTING OFFICE 1914 CONTENTS. Page. Introduction. ............................................................... 5 Cooperation.......................................................... 6 Previous publication................... : ...........................".. 5 Personnel............................................................. 5 Classification......................................................... 5 Bench marks......................................................... 6 Datum............................................................... 6 Topographic maps.................................................... 7 Precise.leveling.......................................................... 8 Washington quadrangle (Montgomery County)........................... 8 Primary leveling......................................................... 10 Barclay, Betterton, Cecilton, Chestertown, Choptank (30/), Crapo, Cris- field, Deal Island, Denton, Dover (3(X), Drum Point, Harrington, Hur- lock, Nanticoke, Ocean City, Oxford, Pittsville, Princess Anne, Salis bury, Seaford, Snow Hill, St. Michaels, and Tolchester (3(X) quadrangles (Caroline, Cecil, Dorchester, Kent, Queen Annes, Somerset, Talbot, Wicomicp, and Worcester
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