add ag land culverts (ditch unmapped)
Mapillary keys for survey marker, ditch culvert
add open space farm buildings, trailhead fence/gate, nearby survey marker
tweak bridge surface, add Mapillary key
add bench, Mapillary key; location approximate
insert CCT bridge w/ Mapillary key, tweak trail surfaces, curves.
Coal Creek Trail starts at Singletree/Meadowlark
add Heron Lake Open Space trail
gated community: gate, guardhouse
more oil/gas; add placeholder Mapillary key
add communication tower, associated building, Mapillary tags. add some open space oil/gas sites
add TH fence sections, benches, trash can, some Mapillary image keys. (only Mapbox and Bing useful)
add shelter, info board, Mapillary image keys