Storm drain at Montgomery Mall
Retention basin at Montgomery Mall
Wissahickon Park, Lansdale
Merck bridge, North Wales
Colorcon Crossing, North Wales
Memorial Crossing, North Wales
Memorial Crossing, North Wales
Merck stepping stones, Upper Gywnedd
Upper Gwynedd Waste Treatment Plant
Swedesford Rd bridge, Upper Gwynedd
Swedesford Rd bridge, Lower Gwynedd
Kings Woods, Gwynedd Valley
Kings Woods, Gwynedd Valley
Kings Woods, Gwynedd Valley
Kings Woods, Gwynedd Valley
Septa bridge, Kings Woods, Gwynedd Valley
Fording Brook, Gwynedd Valley
Fording Brook, Gwynedd Valley
Fording Brook, Gwynedd Valley
Fording Brook, Gwynedd Valley
Fording Brook, Gwynedd Valley
Septa bridge, Gwynedd Valley
Cedarbrook Country Club, Ambler
Wissahickon Garden Club Stepping Stones, Ambler
Old dam, now demolished, Ambler
Ambler Rotary Club Bridge, Ambler
Ambler Rotary Club Bridge, Ambler
Four Mills Nature Reserve, Ambler
Four Mills Nature Reserve, Ambler
Four Mills Nature Reserve, Ambler
Four Mills Nature Reserve, Ambler
Rubenstein Crossing, Four Mills Nature Reserve
Ambler Waste Treatment Plant
Gernantown Academy fields
Morris Rd bridge, Ft Washington
Germantown Academy foot bridge, Ft Washington
Downstream of Germantown Academy, Ft Washington
Lafayette Ave stepping stones, Ft Washington
Behind Mathers Mill, Ft Washington
USGS stream gauge at Skippack Pk, Ft Washington
CSX Railroad bridge, Ft Washington
CSX Railroad bridge, Flourtown
W Valley Green Rd bridge, Flourtown
Harper's Meadow, Philadelphia
Downstream of Harper's Meadow, Philadelphia
Bell's Mill Rd, Philadelphia
The covered bridge on Forbidden Dr, Philadelphia
Valley Green Rd bridge, Philadelphia
Old Livezey Dam, Philadelphia
Kitchens Ln Bridge, Philadelphia
Ridge Ave bridge and the Philadephia Canoe Club, Philadelphia
Schuylkill River from the Philadelphia Canoe Club