fix overlapping culvert and wash, and correct flow direction

adjust flow direction so everything flows into the area of natural=mud ; not sure that's correct, but it seems as sensible as anything else

correct flow direction

detach streams from paths and fix them up ; not sure they are located in quite the right place, and unclear what the crossing looks like, but this is better than it was

fix side channel direction

fix flow loop

more SARIS codes (up to and including SW Branch Housatonic River) -- just need it's tributaries to be finished with this watershed

Specify path surfaces

Survey shops, places etc.

Specify whether parking requires a fee

Specify whether there are crossings at intersections of paths and roads

Survey opening hours

Survey if vacant places are still vacant

Specify surfaces

Specify road surfaces

Specify leaf types

Specify whether pedestrian crossings have markings

Specify whether crosswalks have tactile paving

Specify fire hydrant positions

Specify fire hydrant types