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Lab number
Field number
CMC- 254
Material dated
charred wood; bois carbonisé
north side of Crowsnest Lake, 1430 m asl, Crowsnest Pass, Alberta
Map sheet
82 G/10
A.L. Bryan
Date submitted
January 8, 0098
Measured Age
60 ± 130
Normalized Age
130 ± 130
δ13C (per mil)
square 5W, 124-127 cm below datum, to date upper burned dung and twig layer containing stone and bone artifacts
Associated taxa
Mammalia: Sorex cinereus 1, Myotis volans 1, Myotis sp 1, Lasionycteris noctivagans 2, Eptesicus fuscus 3, Lasiurus cinereus 1, Ochotona princeps 2, Lepus americanus cf 44, Eutamias sp 7, Marmota caligata 4, Spermophilus columbianus 18, Spermophilus lateralis 11, Tamiasciurus hudsonicus 17, Glaucomys sabrinus 1, Thomomys talpoides 3, Castor canadensis 3, Peromyscus maniculatus 32, Neotoma cinerea 327, Aves
Additional information
The Level 1 fauna is listed here.
DjPp-100, Eagle Cave: This is a solution cavern with stratified deposits located about 91 m above Crowsnest Lake, near the Continental Divide. Bryan believes that the GSC date suggests that accumulation of part of the upper layer was very recent and perhaps includes material brought in (and possibly burned) by recent cave explorers. The artifacts in the layer are undoubtedly older than the date. The Gakushuin date places deposition of the bone bed prior to the Late Wisconsinan and shows that Crowsnest Pass was covered with ice >90 m deep some time during the Late Wisconsinan. The cave contained no evidence of previous glaciation. Fauna: Clethrionomys gapperi 1, Phenacomys intermedius 4, Ondatra zibethicus 1, Microtus longicaudus cf 17, Microtus pennsylvanicus 1, Canis latrans 2, Canis lupus 1, Vulpes vulpes 1, Ursus americanus 1, Ursus arctos 1, Ursus sp 1, Martes americana 9, Mustela erminea 1, Mustela frenata 1, Gulo gulo 1, Taxidea taxus 1, Mephitis mephitis 1, Lutra canadensis 2, Lynx rufus cf 1, Bos taurus or Bison bison 3, Ovis canadensis 36, Artiodactyla 9; Aves 99, Podiceps grisegena 4, Podiceos auritus, Podiceps nigricollis 4, Aechmophorus occidentalis 3, Anas platyrhynchos 1, Histrionicus histrionicus 2, Melanitta fusca 1, Lophodytes cucullatus 1, Anatini 4, Accipiter cooperi cf 1, Buteo jamaicensis cf 1, Dendragapus obscurus 16, Canachites canadensis 1, Bonasa umbellus 4, Pedioecetes phasianellus 3, Tetraonidae 4, Ectopistes migratorius 95, ?Hirundo rustica 1, ?Petrochelidon pyrrhonota 1, Pica pica, Nucifraga columbiana 6,