The Hollow Earth Monument

The Hollow Earth Monument (HM274X)

Location: Hamilton, OH 45011 Butler County
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Country: United States of America
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N 39° 23.715', W 84° 33.696'

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Grave of Capt. John Cleve Symmes

Capt. John Cleves Symmes
as a philosopher,
and the originator of
'Symmes Theory of Concentric
Spheres and Polar voids.'
He contended that the Earth
is hollow and habitable

John C. Symmes
a Native of
New Jersey,
in May 1829
Aged 49 yrs.&
6 months

Capt. John Cleves Symmes
entered the Army of the U.S.
as an Ensign
in the year 1802. He afterward
rose to the rank of Captain,
and performed daring feats
of Bravery in the Battles of
Lundy's Lane and sortie from
Fort Erie.
HM NumberHM274X
Year Placed1873
Placed ByAmericus Symmes
Marker ConditionNo reports yet
Date Added Tuesday, April 24th, 2018 at 1:01am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)16S E 709978 N 4363476
Decimal Degrees39.39525000, -84.56160000
Degrees and Decimal MinutesN 39° 23.715', W 84° 33.696'
Degrees, Minutes and Seconds39° 23' 42.9" N, 84° 33' 41.76" W
Driving DirectionsGoogle Maps
Area Code(s)513
Which side of the road?Marker is on the right when traveling North
Closest Postal AddressAt or near 454 S 3rd St, Hamilton OH 45011, US
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