|
gptkbp:instanceOf
|
gptkb:railway_line
|
|
gptkbp:builtFor
|
railroad traffic
|
|
gptkbp:connects
|
gptkb:North_Adams
Florida, Massachusetts
|
|
gptkbp:constructedUsing
|
nitroglycerin
compressed air drills
|
|
gptkbp:constructionCost
|
over $21 million (19th century dollars)
|
|
gptkbp:constructionStartYear
|
1851
|
|
gptkbp:crosses
|
gptkb:Hoosac_Mountain
|
|
gptkbp:elevation
|
~1,400 feet (east portal)
~1,500 feet (west portal)
|
|
gptkbp:engineer
|
gptkb:Herman_Haupt
gptkb:Walter_Shanly
gptkb:Thomas_Doane
|
|
gptkbp:featuredIn
|
engineering history books
|
|
gptkbp:hasEastPortal
|
Florida, Massachusetts
|
|
gptkbp:hasVentilationShafts
|
yes
|
|
gptkbp:hasWestPortal
|
gptkb:North_Adams,_Massachusetts
|
|
gptkbp:historicalMarker
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Hoosac Tunnel
|
|
gptkbp:length
|
4.75 miles
|
|
gptkbp:listedOn
|
gptkb:National_Register_of_Historic_Places
|
|
gptkbp:location
|
gptkb:western_Massachusetts
|
|
gptkbp:material
|
gptkb:rock
|
|
gptkbp:maximumDepthBelowSurface
|
~1,028 feet
|
|
gptkbp:nickname
|
gptkb:The_Bloody_Pit
|
|
gptkbp:notableEvent
|
central shaft accident in 1867
explosion in 1867
first use of electric blasting caps in U.S.
|
|
gptkbp:notableFor
|
engineering achievement
high fatality rate during construction
|
|
gptkbp:NRHPReferenceNumber
|
73000297
|
|
gptkbp:opened
|
1875
|
|
gptkbp:operatedBy
|
gptkb:Pan_Am_Railways
|
|
gptkbp:ownedBy
|
gptkb:Massachusetts_Department_of_Transportation
|
|
gptkbp:partOf
|
gptkb:Pan_Am_Southern_route
gptkb:Fitchburg_Line
|
|
gptkbp:passesThrough
|
gptkb:Hoosac_Range
|
|
gptkbp:previousOwner
|
gptkb:Boston_and_Maine_Railroad
gptkb:Fitchburg_Railroad
|
|
gptkbp:status
|
active
|
|
gptkbp:subjectOf
|
documentaries
paranormal legends
|
|
gptkbp:usedFor
|
freight trains
passenger trains (historically)
|
|
gptkbp:bfsParent
|
gptkb:Henry_Sturgis_Drinker
|
|
gptkbp:bfsLayer
|
5
|