Enter street,city,state or zip code or lat,-lon (dd.ddd)
(for other lat/lon encodings or UTM or NAD27 use this)
Distance buttons:
left click on map to make a track
this button will popup a window from which you can save the track as a
file.gpx for uploading to your GPS.
amderson county (deepest, largest area and volume)
from sinkhole digital analysis
ID 10271
weighted centroid: 36.14738576010,-84.10928732850
Area: 0.2 km2 Perimeter: 2.3 km
Depth: 20.6 m
Volume: 158921 m3