Sample Detail of
Sample: Sample No. 50AGz10 -- USGS No. Mesozoic loc. 22446
Locality: Field No. 50AGz10
Description: 250 yards north of Keystone Creek along east shore of Iniskin Bay. Coll. Grantz 6/18/50. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33)[Transmittal sheet of Hartsock, dated Nov. 6, 1950 provides this description: "250 yds. N Keystone Ck. along E. Shore Iniskin Bay. Bowser member."][Shown as locality 203 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59o 40'12" N., 153o 23'15" W.]; [A. Grantz, 1950. Iniskin Peninsula, 250 yd north of mouth of Keystone Creek, 5.45 miles S. 72° W. of Front Mountain. Chinitna formation, basal beds. (description from Imlay, 1953, p. 68)]
Location: Alaska Quadrangle: Iliamna C-2
Lat.: 59o40'12 " Long.: 153o23'15 "
Reference
Title: Report on Referred Fossils ,  1951 (02/13)
Examination has been made of the collections obtained by J.K. Hartsock's party during the field season of 1950 on Iniskin Peninsula and the area between Chinitna Bay and Tuxedni Bay.
Report by: Ralph W. Imlay
Referred by: John K. Hartsock , Arthur Grantz
Age: No Data
Formation: Chinitna Formation
Comment:Chinitna formation
Occurrence(s)
No. Group Name Qty Notes
1 Ammonoids Kheraiceras sp.
2 Ammonoids Procerites sp.

Title: Geology of the Iniskin-Tuxedni Region, Alaska [last half of single issue publication] ,  1966
Report by: Robert L. Detterman , John K. Hartsock
Age: Callovian (early Callovian)
Formation: Chinitna Formation - Tonnie Siltstone Member (Tonnie Siltstone Member)
Comment:Geographic location: Iniskin Bay area
Map reference (pl. 3): 203
Stratigraphic position below top of formation (ft): 50-75
all above data from Table 10, p. 44
Occurrence(s)
No. Group Name Qty Notes
1 Ammonoids Kheraiceras martini Imlay
2 Ammonoids Cobbanites sp.

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 74 on Figure 7.

Illustrated specimens: Kheraiceras martini Imlay, n. sp.- Holotype, USNM 108048, Pl. 32, figs. 1, 4, 6; Procerites sp. - specimen, USNM 108144, Pl. 53, figs. 2, 3

Occurrence(s)
No. Group Name Qty Notes
1 Ammonoids Kheraiceras martini Imlay, n. sp. Illustrated specimen: Holotype, USNM 108048, Pl. 32, figs. 1, 4, 6
2 Ammonoids Procerites sp. Illustrated specimen: USNM 108144, Pl. 53, figs. 2, 3