Seneca (HM4QG)

Location: Poolesville, MD 20837 Montgomery County
Country: United States of America

N 39° 4.753', W 77° 20.45'

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John Garrett laid out a town called Newport here in 1797 and gave away lots as prizes in a lottery, but a town did not actually appear until after 1830, when the C&O Canal was completed from Georgetown to Seneca Creek. The town was called Seneca. A grist mill was built before 1780 where River Road crosses Seneca Creek and was known in the early 1800's as Milford's Mill. In 1855, the mill was purchased by John Darby and his son Upton Darby. Wilson Tschiffely bought the mill in 1902 and it was later operated by his sons Thomas and Worthington. It ceased operation about 1930. Seneca was a thriving town with several warehouses and shops, a stonecutting mill, and a hotel—The Riverside Inn. There were many vacation homes built here in the late 19th and early 20th centuries.
HM NumberHM4QG
Placed ByMontgomery County Park Commission, Department of Parks; and The Maryland-National Capital Park and Planning Commission
Marker ConditionNo reports yet
Date Added Sunday, September 14th, 2014 at 3:33pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 297517 N 4328175
Decimal Degrees39.07921667, -77.34083333
Degrees and Decimal MinutesN 39° 4.753', W 77° 20.45'
Degrees, Minutes and Seconds39° 4' 45.18" N, 77° 20' 27.00" W
Driving DirectionsGoogle Maps
Area Code(s)301, 240
Closest Postal AddressAt or near 16701 River Rd, Poolesville MD 20837, US
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