American Whig party politician John Van Dyke died near the confluence of which two rivers?
John Van Dyke (politician) John Van Dyke (April 3, 1807 in Lamington, Somerset County, New Jersey – December 24, 1878 in Wabasha, Minnesota) was an American jurist and Whig Party politician who represented  's 4 congressional district in the United States House of Representatives from 1847 to 1851.
Lamprey River The Lamprey River is a 50.2 mi river in southeastern New Hampshire, the United States. It rises in Meadow Lake in Northwood, and flows south, then generally east past Raymond, Epping, Lee, Durham and finally Newmarket. Here, it meets Great Bay, a tidal inlet of the Atlantic Ocean, to which it is connected by a tidal estuary, the Piscataqua River. The river from the Bunker Pond Dam in Epping to the confluence with the Piscassic River is part of the designated National Wild and Scenic River System.