There are two streams here shown on the USGS maps, that aren't drawn (yet):

Hunterfield Brook (SARIS code 11 00950)
Wheeler Brook (SARIS code 11 00975)

This is Mad River (SARIS code 21 04650); it needs to be drawn in, matching the USGS maps with imagery.

This is Chadwick Brook (SARIS code 33 13675); it needs to be drawn in, matching the USGS maps with imagery, particularly MassGIS Lidar Slope.

This is Miller Brook (SARIS code 33 13525); it needs to be drawn in, matching the USGS maps with imagery, particularly MassGIS Lidar Slope.

This is Harris Brook (SARIS code 33 13450); it needs to be drawn in, matching the USGS maps with imagery, particularly MassGIS Lidar Slope.

This is Stafford Brook (SARIS code 33 13375); it needs to be drawn in, matching the USGS maps with imagery, particularly MassGIS Lidar Slope. Also the downstream part needs be changed from Johnson Brook to Stafford Brook, per the USGS map.

This is Katley Brook (SARIS code 33 13350); it needs to be drawn in, matching the USGS maps with imagery, particularly MassGIS Lidar Slope.

This is Browning Brook (SARIS code 33 13325); it needs to be drawn in, matching the USGS maps with imagery, particularly MassGIS Lidar Slope.

This is Sheldon Brook (SARIS code 33 13550); it needs to be drawn in, matching the USGS maps with imagery, particularly MassGIS Lidar Slope.

River access

via StreetComplete 53.2

Attached photo(s):
https://westnordost.de/p/172633.jpg
https://westnordost.de/p/172634.jpg