Kogon Mantle

Mantle's Cave wani dutse ne mai tsayi a cikin abin tunawa na kasa na Dinosaur a gundumar Moffat, Colorado . Tana cikin yankin Castle Park na wurin shakatawa, ita ce mafi girman mafakar dutse a yankin. An gano shi kafin 1921 ta wurin makiyayan gida, Mista da Mrs. Charles Mantle. An bayar da rahoton cewa, Mrs. Mantle ta yi wasu hakowa a wurin, bayan balaguron Penrose-Taylor na 1933 daga Kwalejin Colorado da Makarantar Fountain Valley, wanda ya sanya wurin "Kogon Daya." Shafin yana da muhimmiyar hanya ga al'adun Fremont kuma yana cikin mafi kyawun albarkatu a arewa maso yammacin Colorado. Binciken da aka yi a cikin 1930s da 1940s ya haifar da mahimman abu akan mutanen Fremont da dangantakar su da Puebloans na baya. 

 Bincike 
An gano kogon yana da wuraren zama da rumbunan ajiya, tare da kwasar tukwane, kwanduna da kayan aikin farauta. Jami'ar Colorado Museum ta gudanar da wani babban hako a cikin 1939 da 1940, karkashin jagorancin Charles R. Scoggin, mataimakin dalibi a gidan kayan gargajiya, da Edison P. Lohr.  Binciken ya samo mafi mahimmancin kayan tarihi a cikin ƙananan ramuka waɗanda watakila ana nufin su zama caches na wucin gadi, ciki har da dutse da wuraren tsinkayar kashi, kayan aikin dutse, kasusuwa, beads, tsaba na riguna, guntu na tufafi da takalma da sauran abubuwa. Babban abin da aka gano shi ne jakar da ke ɗauke da gashin kai, beads da sauran abubuwa. Yaƙin Duniya na Biyu ya katse binciken. An kashe Scoggin a wani aiki a bakin tekun Anzio, Italiya a cikin 1944. Aikin iyaka ya koma cikin 1947 da 1948 a ƙarƙashin Robert Burgh, ya sami ɗan ƙarin kayan aiki. Babu gawar dan adam da kowane bangare ya samu. Horn, Jonathon C.; Reed, Alan D.; LaFree, Betty; Anderson, Adrienne (September 1, 1989). 

Masu binciken sun kammala cewa an yi amfani da wurin da farko don ajiya. An sami ƙaramin alamar wurin zama na dogon lokaci, wanda aka danganta ga ficewar kogon a arewa da tsayin , wanda zai sanya shi zama gida mara dadi. Abubuwan tarihi na farko suna da alaƙa da al'adun Fremont . Binciken da aka yi ya nuna cewa an yi amfani da shi a baya, bisa ga gano gawayi a zurfin. Ba a bin diddigin tonowa a cikin wannan Layer. Gabaɗaya, an gano abubuwa 53 da aka gina ko aka tona. Akwai petroglyphs na tarihi da yawa da wasu rubutu na zamani a cikin alcove.  Burgh ne ya buga binciken abubuwan balaguron biyu (tare da marubucin Scoggin na baya) a cikin 1948 a matsayin The Archaeology of Castle Park, Dinosaur National Monument. 

 Bayani 
Alcove yana fuskantar arewa. Yana da faɗi fiye da zurfinsa, kusan  fadi kuma kusan  mai zurfi, tare da yanki kusan  . Yana da nisan  kudu da Kogin Yampa, kimanin  sama da kogin. Located in Permian da Pennsylvanian Weber sandstone, alcove yana tsaye a ƙasan gefen benci a bangon kwari. Horn, Jonathon C.; Reed, Alan D.; LaFree, Betty; Anderson, Adrienne (September 1, 1989). 

Abubuwan da aka tattara daga Kogon Mantle ana adana su a Jami'ar Colorado Museum of Natural History . Goff, Sheila.  An jera kogon a cikin National Register of Historic Places a ranar Mayu 10, 1994. 

 Manazarta