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Dam Number 3, Washington County, Maryland, United States


Alternative Names:Armory Dam, Dam Number 3, Feeder Dam Number 3, New Armory Dam, United States Potomac Dam
Type:Dam - a barrier constructed across a stream to impound water
Mindat.org Region:Washington Co., Maryland, USA
Region:Washington County, Maryland, United States
Latitude:39° 20' 2" N
Longitude:77° 45' 3" W
Lat/Long (dec):39.33394,-77.75106
Köppen climate type:Cfa : Humid subtropical climate
Elevation:83m
  Search for other features

Mindat.org localities near to this feature


LocalityLatitudeLongitudeDistanceBearing
Maryland Bank, Washington Co., Maryland, USA39° 20' 44" N77° 45' 6" W1.3km (0.8 miles)
Harpers Ferry, Jefferson Co., West Virginia, USA39° 19' 31" N77° 44' 19" W1.4km (0.9 miles)
Moler Quarry (United States Steel Corp.), Jefferson Co., West Virginia, USA39° 18' 9" N77° 47' 48" W5.3km (3.3 miles)
Weverton, Washington Co., Maryland, USA39° 20' 9" N77° 40' 51" W6.0km (3.7 miles)
Millville Quarry (Shenandoah Quarry), Jefferson Co., West Virginia, USA39° 17' 21" N77° 47' 35" W6.1km (3.8 miles)
Ore Bank Prospect, Jefferson Co., West Virginia, USA39° 23' 29" N77° 44' 34" W6.4km (4.0 miles)
Potomac Refining Company Mine (Dargan Mine), Dargan, Washington Co., Maryland, USA39° 23' 27" N77° 43' 27" W6.8km (4.2 miles)
Shenandoah Quarry Inc., Berkeley Co., West Virginia, USA39° 16' 48" N77° 47' 24" W6.9km (4.3 miles)
Loudoun Prospect, Loudoun Co., Virginia, USA39° 17' 59" N77° 39' 0" W9.5km (5.9 miles)
Howell zinc prospect, Charles Town, Jefferson Co., West Virginia, USA39° 16' 59" N77° 50' 59" W10.2km (6.3 miles)
Shepherdstown, Jefferson Co., West Virginia, USA39° 25' 48" N77° 48' 14" W11.6km (7.2 miles)
Thomas Moore Tract Occurrence, Jefferson Co., West Virginia, USA39° 12' 33" N77° 49' 14" W15.1km (9.4 miles)
Geeting Ore Bank, Washington Co., Maryland, USA39° 28' 19" N77° 42' 29" W15.8km (9.8 miles)
Ellen Myers Tract Prospect, Jefferson Co., West Virginia, USA39° 12' 16" N77° 49' 41" W15.8km (9.8 miles)
Wyand Ore Bank, Washington Co., Maryland, USA39° 28' 59" N77° 42' 43" W16.9km (10.5 miles)
Ulysses G. Howell Tract Prospect, Jefferson Co., West Virginia, USA39° 10' 59" N77° 49' 41" W18.0km (11.2 miles)
Rippon, Jefferson Co., West Virginia, USA39° 13' 6" N77° 54' 18" W18.5km (11.5 miles)
James B. Clipp Tract Prospect, Jefferson Co., West Virginia, USA39° 10' 32" N77° 49' 41" W18.8km (11.7 miles)
Washington Junction Ore Banks, Frederick Co., Maryland, USA39° 16' 32" N77° 32' 26" W19.2km (11.9 miles)
Appletown Ore Bank, Washington Co., Maryland, USA39° 29' 22" N77° 38' 57" W19.4km (12.1 miles)
Blair Quarry & plant, Berkeley Co., West Virginia, USA39° 27' 29" N77° 54' 44" W19.6km (12.2 miles)
Furnace Mountain Mine, Loudoun Co., Virginia, USA39° 15' 8" N77° 32' 14" W20.5km (12.7 miles)
Continental Clay Products Company Pit, Berkeley Co., West Virginia, USA39° 25' 59" N77° 57' 14" W20.6km (12.8 miles)
Boonsboro Ore Bank, Boonsboro, Washington Co., Maryland, USA39° 30' 25" N77° 39' 6" W21.1km (13.1 miles)
Northwest Boonsboro Ore Bank, Washington Co., Maryland, USA39° 31' 27" N77° 40' 0" W22.3km (13.9 miles)
Unnamed prospect (MRDS - 10083901), Boonsboro, Washington Co., Maryland, USA39° 31' 29" N77° 40' 0" W22.4km (13.9 miles)
Martinsburg Quarry (Capitol Cement Company division of Martin Marietta Corporation), Berkeley Co., West Virginia, USA39° 27' 6" N77° 57' 47" W22.4km (13.9 miles)
Nina Thomas Ore Bank, Frederick Co., Maryland, USA39° 22' 22" N77° 29' 39" W22.5km (14.0 miles)
Zimmerman Ore Bank, Frederick Co., Maryland, USA39° 22' 55" N77° 29' 39" W22.7km (14.1 miles)
Boonsboro Quarry (Martin Marietta Aggregates; SE Div.), Boonsboro, Washington Co., Maryland, USA39° 31' 59" N77° 38' 49" W23.9km (14.8 miles)

Minerals recorded nearby (within 20 km)

Rock types recorded nearby (within 20 km)

Nearby features from geonames.org

Search moreFeatureTypeLatitudeLongitudeDistanceBearing
Potomac River Dam Number 3Dam39° 20' 0" N77° 45' 4" W0.1km (0.0 miles)
Lock Number 35Dam39° 20' 12" N77° 45' 4" W0.3km (0.2 miles)
Lock Number 36Dam39° 20' 13" N77° 45' 10" W0.4km (0.2 miles)
Bolivar CemeteryCemetery39° 19' 43" N77° 45' 6" W0.6km (0.4 miles)
Long Canal (historical)Canal39° 20' 7" N77° 44' 38" W0.6km (0.4 miles)
Elks RunStream39° 20' 7" N77° 45' 28" W0.6km (0.4 miles)
Bolivar Christian Academy (historical)School39° 19' 40" N77° 45' 19" W0.8km (0.5 miles)
Fort Duncan (historical)Military installation39° 20' 30" N77° 45' 1" W0.9km (0.5 miles)
Friendship Fire CompanyBuilding(s)39° 19' 35" N77° 44' 43" W0.9km (0.6 miles)
Harpers Ferry Police DepartmentBuilding(s)39° 19' 35" N77° 44' 41" W1.0km (0.6 miles)

Regions in mindat.org that contain this locality

RegionType
North America PlateTectonic Plate
USACountry
Washington Co., Maryland, USACounty
West Virginia, USAState
Mineral and/or Locality  
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