Question:  Brown Hill Creek is part of the catchment of the river that drains what area of flat, swampy lands?
Sentence (from "History of Plymouth, Pennsylvania"): These are Harveys Creek, Jersey Creek, Coal Creek (formerly Mill Creek, Smith's Creek or Ransom Creek), Wadham's Creek (formerly Whittlesey's Creek), Brown's Creek (formerly Nesbitt's Creek, Cooper's Run or Pine Swamp Creek), Shupp's Creek, and Toby's Creek.
Relevant evidence: No