Trail Construction & Maintenance Resources
General Trail Manuals:
U.S. Forest Service Trail Construction & Maintenance Notebook
UNH Cooperative Extension—Trail Maintenance for Volunteers
Maine Motorized Trail Construction and Maintenance Manual
California State Parks Trails Handbook (extensive info)
Maine Gravel Camp Road Maintenance Manual (includes culvert sizing)
Wildlife & Recreation- Understanding and Managing the Effects of Trail Use on Wildlife
Mapping and site assessment:
https://www.maine.gov/mdot/mapviewer/
^ 2ft. contours, basic wetlands, NAIP imagery, ORTHO imagery
https://www.maine.gov/ifw/fish-wildlife/wildlife/beginning-with-habitat/maps/index.html
^ wetlands, streams, habitat data, parcels, imagery, multiple topos
https://www.maine.gov/dep/gis/datamaps/index.html
^ (DEP interactive maps)
https://www.arcgis.com/home/item.html?id=d1ecbcdb35a84dc28958169246e784af
^ (drainage divides map viewer, suite of basemaps)
https://fwsprimary.wim.usgs.gov/wetlands/apps/wetlands-mapper/
^ (detailed wetlands (by type) viewer)
https://websoilsurvey.nrcs.usda.gov/app/
^ (Soils type maps and data)
https://earth.google.com/
^ (good imagery)
