Babban kogo

**Colossal Cavern** wani kogo ne a Kentucky, Amurka, babban ƙofarsa yana ƙarƙashin wani tudu mai tsayi da ke bayan kwarin Eaton, da mil 1.5 daga Mammoth Cave . 

Yana da alaƙa da abin da aka daɗe da saninsa da Kogon Bedquilt . Kofofin shiga da dama da masu binciken gida suka samu sun kasance masu wahala da wahala. An rufe su lokacin da aka siya kadarorin a cikin 1896 ta hanyar layin dogo na Louisville Nashville da sabuwar hanyar da aka yi. Daga saman zuwa bene yana  karkashin Chester Sandstone kuma a cikin St. Louis Limestone. 

Murjani burbushin halittu suna gyara shekarun dutsen. Yanayin zafin jiki iri ɗaya ne , kuma yanayin yana da tsaftar gani da sinadarai. Akwai gypsum rosettes da helictites . 

## Siffofin
Manyan sojoji sun kasance suna aiki a cikin kogon, suna nuna girgizar kasa da fashewa, amma sakamakon sinadaran da injinan ruwa ne. 

Edgar Vaughan da WL Marshall, injiniyoyin farar hula, sun binciki kowane sashe na kogon. Dome na Vaughan yana da  fadi,  tsayi, kuma  high. Akwai wasu gidaje da yawa, da kuma ramuka masu zurfi da yawa. Abin da ake kira "Ruins of Carthage" ya cika zauren  da  tsayi, wanda lebur rufin sa babban shingen farar ƙasa ne mai kama da juna. Keɓaɓɓen tubalan suna auna daga  a tsayi. Mafi girman wurin duka shine Colossal Dome, wanda aka saba shigar dashi daga koli ta gilashin iska da igiya mai kai  zuwa falo. Ana amfani da wannan a yanzu don haskakawa kawai ta haɓakawa da rage kwandon wuta. 

Ƙofar ta yanzu tana ta wata ƙofa ce wadda aka yi mata tuƙuru da sandunan alabaster, ɗaya daga cikinsu,  babba, ana kiranta da abin tunawa na Henry Clay. Ganuwar dome ta tashi a cikin jeri na zobba masu launin launi, kowane  kauri da fringed ta stalactites. Alamar alama tana da ban mamaki, kuma reverberations na ban mamaki na kiɗa. The Pearly Pool, a cikin wani ɗaki kusa da rami 86&nbsp;ft. zurfi, kyalli tare da lu'ulu'u masu yawa na kogo . Hanyar da ta wuce tana tsakanin layuka na sanduna masu kyau, kuma tana ƙarewa a cikin babban marmaro na chalybeate. Makafi kwari, gizo-gizo, beetles da crickets suna da yawa; kuma a yanzu da can wani makahon kifin ya ratsa cikin ruwa; amma idan aka kwatanta da koguna da yawa fauna da flora ba su da yawa. 

## Haɗi zuwa Mammoth Cave
An dade ana tsammanin za a haɗa Colossal Cave zuwa Mammoth Cave, tun farkon 1911:

: An yi hasashe, ba tare da wani dalili ba, cewa akwai haɗin kai, har yanzu ba a gano ba, tsakanin kogon Colossal da Mammoth . Da alama tabbas kwarin Adnin, wanda yanzu ke tsakanin su, babban “gudu ne” na babban kogon da ya haɗa su a dā. 

A ranar 22 ga Agusta, 1960, ma'aikatan jirgin da suka ƙunshi Jack Lehrberger, Spike Warner, da Dave Deamer sun gano kuma sun yi bincike game da haɗin gwiwa zuwa kogon Salts na kusa. Binciken kogon guda biyu yana da alaƙa da haɗin gwiwar Collins Crystal Cave da Unknown Cave a ranar 21 ga Agusta, 1961. An yi wa wannan haɗin gwiwar suna da tsarin Flint Ridge Cave System, kuma ya zuwa Maris 1969, an sanya shi cikin kogon mafi dadewa a duniya, kusan mil 65. Ranar 9 ga Satumba, 1972, an sami haɗin kai zuwa Mammoth Cave, wanda ya samar da Flint-Mammoth Cave System (mil 144). 

## A cikin shahararrun al'adu

Sashen Bedquilt na kogwanni shine wahayi da saiti don wasan kasada na rubutu na farko. Ƙirƙirar Will Crowther, wani kogon da ya shafe sa'o'i da yawa yana taimakawa wajen binciken kogon, kuma ana kiransa "Colossal Cave" ko "ADVENT", wasan kwamfuta ya fadada ta Don Woods a cikin wasan da ake kira *Adventure*  wanda aka ambata a matsayin wahayi ga shahararren wasan kasada na rubutu Zork .

## Manazarta