Sample Detail of
Sample: Sample No. No Data -- USGS No. Mesozoic loc. 2920
Locality: Field No. No Data
Description: G. C. Martin, 1903. Iniskin Peninsula, east shore of Iniskin Bay. Same locality as 20755. Chinitna formation, near base. (description from Imlay, 1953, p. 68)
Location: Alaska Quadrangle: Iliamna C-2
Lat.: 59o40'11 " Long.: 153o23'11 "
Reference
Title: Callovan (Jurassic) ammonites from the United States and Alaska. Part 2. Alaska Peninsula and Cook Inlet Regions. USGS Proferssional Paper 249-B ,  1953
Report by: Ralph W. Imlay
Age: Callovian
Formation: Chinitna Formation
Comment:Shown as locality 75 on Figure 7.

Digitization of this locality on Figure 7 indicates the following approximate coordinates: 59 40'11" N., 153 23'11" W.

Illustrated specimen: Cosmoceras (Gulielmiceras) alaskanum Imlay, n. sp. - Holotype, USNM 108141, Pl. 49, fig. 15

Occurrence(s)
No. Group Name Qty Notes
1 Ammonoids Cosmoceras (Gulielmiceras) alaskanum Imlay, n. sp. Illustrated specimen: Holotype, USNM 108141, Pl. 49, fig. 15
2 Ammonoids Kepplerites (Seymourites) tychonis Ravn "probably represented" here acc. to Imlay, 1953, p. 96, but its occurrence here not shown on Table 6