ADMINISTRATIVE REPORT I 



D 



in Florida have appreciated this fact and have decided upon a 

 location only after considering reports on the geology covering 

 their properties and surrounding country. In order, however, that 

 the reliability of such reports be unquestioned they should be pre- 

 pared by one who is a geologist of recognized standing thereby 

 not only demanding but meriting that confidence be placed upon 

 the results of his investigations. 



, The State Geological Survey in the regular course of its in- 

 vestigations has accumulated considerable data relative to the struc- 

 ture of formations in Florida. Much of this has been published 

 in the various papers on geology as contained in the several an- 

 nual reports but such data are constantly being added to. A study 

 of the structure of formations in Florida is a rather tedious tasl< 

 owing to the comparative slight relief with correspondingly few 

 continuous geologic exposures. In addition, erosion, especially by 

 solution and subsidence, has been most active in our formations 

 thus increasing the difficulty of working out structure in any 

 particular formation or horizon. It is thus only through detailed 

 work and cautious interpretations that the most reliable results 

 can be obtained. 



Of invaluable assistance in the furtherance of these studies 

 would be topographic maps on which all surface exposures and 

 other related data could be located and on which structure con- 

 tours could be plotted. In addition accurate well records, based 

 on samples of the drillings taken at frequent intervals, have con- 

 tributed important data to our knowledge of the succession of 

 formations in Florida. Efforts on the part of the Survey to se- 

 cure well samples have had results and such sets of drillings as 

 have been procured have been studied in detail, one paper being 

 published in the Twelfth Annual Report and a second being in- 

 cluded in the present volume. Through the courteous co-opera- 

 tion of well contractors and promoters the Survey is at present 

 receiving excellent sets of carefully taken well drillings and it is 

 a privilege to acknowledge this co-operation wdiich will add much 

 to our present knowledge of the geology of the State. It is urged 

 that those who contemplate drilling any wells, particularly those 

 that may go to exceptional depth, save samples of the cuttings and 

 submit them to the State Geologist, Tallahassee, Fla., who will 

 study them and submit a descriptive log. Too much emphasis 



