The Hemlock and The Hemlock and Murray ChambersMurray Chambers

A ComparisonA Comparison

The Hemlock ChamberThe Hemlock ChamberPresident, PAPresident, PA

Tom Anderton at Tom Anderton at the entrance to the entrance to the chamber, the chamber, among the fallen among the fallen roof slabsroof slabs

Entering chamberEntering chamber

View from “vault” View from “vault” sectionsection

Note in “tunnel” Note in “tunnel” sectionsection– Slab roofSlab roof– Mortared jointsMortared joints– Dirt floorDirt floor

View of “vault” View of “vault” sectionsection

Note Note – Recessed spring Recessed spring

entranceentrance– Ledges in both Ledges in both

cornerscorners– Channel into Channel into

square basinsquare basin

Barrel arched Barrel arched ceilingceiling

Chimney visible Chimney visible which vents to which vents to surfacesurface

Visible on Visible on surfacesurface

Floor BasinFloor BasinDrain hole drilled 19 inches through stoneDrain hole drilled 19 inches through stone

Basin created by four stone slabs adjoiningBasin created by four stone slabs adjoining– Note seamNote seam

Wall using stone basin as foundationWall using stone basin as foundation

Chamber orients East-WestChamber orients East-West Summer solstice sunset enters chamber, lights Summer solstice sunset enters chamber, lights

basin through hole in stonebasin through hole in stone

Murray ChamberMurray ChamberGreer, OhioGreer, Ohio

Located 180 miles WSW of President, Pennsylvania

Murray ChamberMurray ChamberGreer, OhioGreer, Ohio

Current entranceCurrent entrance Portion of chamber Portion of chamber

removed by removed by excavation in excavation in 1982, which 1982, which discovered the discovered the chamberchamber

““Tunnel” portion of Murray ChamberTunnel” portion of Murray Chamber

Close up of barrel Close up of barrel arched ceiling of arched ceiling of the Murray the Murray ChamberChamber

•Chamber oriented North-South, opens to NorthNote two spring water “holes”

Comparing the Comparing the ChambersChambers

  MurrayMurray HemlockHemlockLength (Approx.) 31' (+?) 40'

  Tunnel Vault Tunnel Vault

Width 18"-24" 50"-53" 30" 60"

Height 3'-4' 8'2" 7'2" 8'8"

Comparing the Comparing the ChambersChambers

  MurrayMurray HemlockHemlock

  Tunnel Vault Tunnel Vault

Ceilings SlabBarrel

Arch SlabBarrel

Arch

Walls Dry Stone Mortared

Slabs (Approx.)

40"L x 15"-22"W x 14"H

60"L x 18"-26"W x 12"H

Spring Water/

Containment

2-10'L x 4"W x 10"H "holes"

30" square basin/channels

Comparing the Comparing the ChambersChambers

   MurrayMurrayHemlocHemloc

kk

Ledges Against Ledges Against Rear WallRear Wall 33 22

Proximity to Proximity to RiverRiver

0.6 miles to 0.6 miles to Mohican Mohican

RiverRiver

<½ mile to <½ mile to Alleghany Alleghany

RiverRiver

OrientationOrientation NorthNorth WestWest

Iron Ore In AreaIron Ore In Area YesYes YesYes