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.
Fort Campbell
from sinkhole digital analysis weighted centroid: 36.62627308370,-87.43439547370
Area: 2.7 km2 Perimeter: 24.0 km
Depth: 10.4 m
Volume: 821312 m3