of
Sample: Sample No. F-65 -- USGS No. Mesozoic loc. 19998
Locality: Field No. F-65
Description: [Shown as locality 77 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-65. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. South west side of Tonnie Creek about 2000 ft. upstream from the trail at the mouth of the canyon, 1.2 miles S 58 3/4o E Tonnie Peak, and also about 50 ft. upstream from USGS Mesozoic locality no. 19938. Strat. Pos. 480 ft. above the base of the Fitz Creek siltstone. Lithology - gray and brown sandy shale interbedded with shaly sandstone. Coll. Kellum, 44NB # 3 P 1, 2, Sept. 26, 1944."]
Location: Alaska Quadrangle: Iliamna D-1
Reference
Title: Geology of the Iniskin-Tuxedni Region, Alaska ,  1966
Report by: Robert L. Detterman , John K. Hartsock
Age: Bajocian (middle Bajocian)
Formation: Fitz Creek Siltstone
Comment:Geographic location: Tonnie Creek-Twist Creek area
Map reference (pl. 3): 77
Stratigraphic position below top of formation (ft): 450
all above data from Table 6, p. 32
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Pinna sp.
2 Bivalves Inoceramus sp.
3 Bivalves Pholadomya sp.