FLORIDA GEOGRAPHIC DATA LIBRARY DOCUMENTATION
VERSION 2004
TITLE: SINKHOLES OF FLORIDA
Geodataset Name: SNKHLE Geodataset Type: SHAPE Geodataset Feature: POINT
GENERAL DESCRIPTION:
This dataset contains a point coverage of sinkhole locations for the State of Florida.
DATA SOURCE(S): Subsurface Evaluations, Inc. SCALE OF ORIGINAL SOURCE MAPS: N/A DATE OF AUTOMATION OR SOURCE: 1992 GEODATASET EXTENT: State of Florida
FEATURE ATTRIBUTE TABLES:
Datafile Name: SNKHLE.DBF ITEM NAME WIDTH TYPE PRECISION AREA 18 DECIMAL 5 PERIMETER 18 DECIMAL 5 SNKHLE_ 5 DECIMAL - SNKHLE_ID 5 DECIMAL - FSRI_CODE 6 CHARACTER - SH_NUMBER 4 DECIMAL - COUNTY 12 CHARACTER - QUADRANGLE 19 CHARACTER - Z_4_SECTIO 2 CHARACTER - SECTION 2 DECIMAL - TOWNSHIP 3 CHARACTER - RANGE 3 CHARACTER - LATITUDE 9 DECIMAL 6 LONGITUDE 10 DECIMAL 6 YEAR 4 DECIMAL - MONTH 2 DECIMAL - DATE 2 DECIMAL - TIME 10 CHARACTER - LENGTH 6 DECIMAL 2 WIDTH 6 DECIMAL 2 DEPTH 6 DECIMAL 2 LAND_ELEV 6 DECIMAL 2 LS_ELEV 8 DECIMAL 2 COVER_THIC 7 DECIMAL 2 WT_ELEV 6 DECIMAL 2 POT_SUR_EL 6 DECIMAL 2 HEAD_DIFF 6 DECIMAL 2 Z4_HR_RAIN 5 DECIMAL 2 Z_DYS_RAIN 5 DECIMAL 2 Z0_DYS_RAI 5 DECIMAL 2 TRS 8 CHARACTER -
FEATURE ATTRIBUTE TABLES CODES AND VALUES:
item item description FSRI_CODE Internal code used by Florida Sinkhole Research Institute. SH_NUMBER unique value for each sinkhole COUNTY County of sinkhole location QUADRANGLE Quad name of sinkhole location Z_4_SECTIO Location of sinkhole by quarter section SECTION Section of Public Land Survey System (PLSS) TOWNSHIP Township of Public Land Survey System (PLSS) RANGE Range of Public Land Survey System (PLSS) LATITUDE Latitude in decimal degrees LONGITUDE longitude in decimal degrees YEAR Year of recorded existence MONTH Month of recorded existence DATE Day of recorded existence TIME not recorded LENGTH Diameter of sinkhole in feet WIDTH Diameter of sinkhole in feet DEPTH Depth of sinkhole in feet LAND_ELEV Elevation (sea-level) of land at sinkhole point LS_ELEV unknown COVER_THIC unknown WT_ELEV unknown POT_SUR_EL Potentiometirc surface elevation ? HEAD_DIFF unknown Z4_HR_RAIN unknown Z_DYS_RAIN unknown Z0_DYS_RAI unknown TRS Township, range, and section location in PLSS
USER NOTES: No metadata was provided by the Florida Sinkhole Research Institute or Subsurface Evaluations, Inc. Metadata was created by FGDL for items that could be determined by examination.
FGDL QUALITY ASSURANCE STATUS:
- Set tolerances to Geoplan Standards - Added item TRS based on existing township, range and section items. - Reprojected from decimal degree lat/long to FGDL Albers. - Added Devil's Millhopper sinkhole to coverage and inserted known information.
REFERENCES:
DATA LINEAGE SUMMARY:
Data was orginally copiled by the Florida Sinkhole Research Insititute. It was updated by Subsurface Evaluations Inc. of Tampa Florida.
MAP PROJECTION PARAMETERS
PROJECTION ALBERS DATUM HPGN UNITS METERS SPHEROID GRS1980 1st standard parallel 24 0 0.000 2nd standard parallel 31 30 0.000 central meridian -84 00 0.000 latitude of projection`s origin 24 0 0.000 false easting (meters) 400000.00000 false northing (meters) 0.00000
DATA SOURCES CONTACT(S):
Name: Subsurface Evaluations, Inc. Address: 3706 Swann Ave. Tampa FL 33609 Phone: (813)353-9083 or (800)508-2509 Web site: http://www.subsurfaceevaluations.com/ Contact Person: Phone: (813)353-9083
FGDL CONTACT:
Name: Florida Geographic Data Library Abbr. Name: FGDL Address: Florida Geographic Data Library 431 Architecture Building PO Box 115706 Gainesville, FL 32611-5706 Web site: http://www.fgdl.org Contact FGDL: Technical Support: http://www.fgdl.org/fgdlfeed.html FGDL Frequently Asked Questions: http://www.fgdl.org/fgdlfaq.html FGDL Mailing Lists: http://www.fgdl.org/fgdl-l.html For FGDL Software: http://www.fgdl.org/software.html