of
Sample: Sample No. 50AHa57 -- USGS No. Mesozoic loc. 22537
Locality: Field No. 50AHa57
Description: Tuxedni formation, probably Bowser member. Pt. 12F on first tributary to Portage Creek north from Right Arm of Iniskin Bay, Iniskin Peninsula. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33)[Shown as locality 151 on Pl. 3 of Detterman and Hartsock, 1966]
Location: Alaska Quadrangle: Iliamna C-1
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: Bowser Formation (Tuxedni formation, probably Bowser member)
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Ostrea sp.
2 Bivalves Pleuromya 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: Bathonian-Callovian (late Bathonian - Callovian (age range given for entire formation))
Formation: Bowser Formation
Comment:Geographic location: Iniskin Bay--Portage Creek area
Map reference (pl. 3): 151
Stratigraphic position below top of formation (ft): 700-1000
all above data from Table 9, p. 38
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Ostrea sp.
2 Bivalves Pleuromya sp.