The Northwest Demi-Bastion

The Northwest Demi-Bastion (HM4ZU)

Location: Fort Washington, MD 20744 Prince George's County
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Country: United States of America
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N 38° 42.692', W 77° 2.049'

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The demi-bastion is a section of the fort that projects beyond the main wall and provides concentrated defensive fire.

The bastion design includes two levels of artillery. Guns were to be mounted on the parapet above and in the casemates you see below at the base of the wall. When the fort was armed in the 1840s, however, only the guns on the upper, or barbette, level were installed.

The casemates saw other uses. Company laundresses lived in two of them with their soldier husbands until better quarters were built outside the fort in 1867. Other casemates served as storerooms and the sutler, or post trader, had a shop in one during the early 1860s.
HM NumberHM4ZU
Marker ConditionNo reports yet
Date Added Thursday, October 9th, 2014 at 3:03pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 323138 N 4286729
Decimal Degrees38.71153333, -77.03415000
Degrees and Decimal MinutesN 38° 42.692', W 77° 2.049'
Degrees, Minutes and Seconds38° 42' 41.52" N, 77° 2' 2.94" W
Driving DirectionsGoogle Maps
Area Code(s)301, 240
Closest Postal AddressAt or near 971 Unnamed Road, Fort Washington MD 20744, US
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