A PRELIMINARY REPORT on the GEOLOGY of FLORIDA 
WITH SPECIAL REFERENCE TO THE STRATIGRAPHY 
BY GEORGE CHARLTON MATSON AND FREDERICK G. CLAPP. 
INCLUDING A CHAPTER ON THE 
TOPOGRAPHY AND GEOLOGY OF SOUTHERN FLORIDA 
BY SAMUEL SANFORD. 
PREPARED IN COOPERATION BETWEEN THE UNITED STATES GEOLOGICAL 
SURVEY AND THE FLORIDA STATE GEOLOGICAL SURVEY, UNDER 
THE DIRECTION OF THOMAS WAYLAND VAUGHAN. 
