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.
From DEM data, Anderson county sinkholes (red circles) with a depth of 3m or more.
For all sinkholes (on topos) and more discussion see
Anderson county sinkholes