Local The Webb Lake Association Foothills Land Conservancy Western Maine Audubon Society Mount Blue State Park Weld Historical Society- PO Box 3, Weld, Me 04285 Camp Kawahnee Town of Phillips Town of Weld Weld Bicentennial Website

Statewide

Maine Department of Agriculture, Conservation & Forestry/Division of Parks & Lands
 Land for Maine's Future Program  
Mt Blue-Tumbledown project
Trust for Public Land – Maine office  
Appalachian Mountain Club  
Appalachian Mountain Club, Maine
Friends of Maine State Park   
Maine Trail Finder    

Maine Natural Areas Program 
 Afternoon on Bald Mountain; a self guiding geological field trip, by Douglas N Reusch, UMF
 (Afternoon on Bald Mountain.pdf)
Focus Areas of Statewide Ecological Significance: Tumbledown Mountain to Mount Blue   
 Invasives Species Mapping and Reporting website, showing where invasive species are on Maine's landscape and for reporting:
Natural Heritage Hikes:  Tumbledown Mountain

Maine Geological Survey

Geological Tour of Tumbledown
Geological Tour of Bald Mountain
The Geology of Mt Blue State Park
The Geology of Coos Canyon

Regional Maine Appalachian Trail Club Maine Appalachian Trail Land Trust  Friends of the Boundary Mountains Rangeley Lakes Heritage Trust  High Peaks Alliance   Sandy River & Rangeley Lakes RR  Phillips Historical Society National Library of Congress  (Prints and Photographs Division)