Fixed spelling mistake from previous edit.
Added Longview Hill from topo map and DEM data.
Minor updates to Piscassic Greenway track/trails.
Fixed some incorrect and missing trail names around Square Ledge.
Cleaned up some trails around the summit of Passaconaway.
Cleaned up White Brook a little.
Adjusted summit of Potash to HP
Cleaned up Snow's Mtn Trail a little.
Extended Snows Brook up to Lost Pass and added some wetlands.