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.
Sinking Cove
from sinkhole digital analysis weighted centroid: 35.03796957650,-85.97326124910
Area: 4.5 km2 Perimeter: 30.3 km
Depth: 28.6 m
Volume: 4303666 m3