Reference Detail of

Letter to William P. Brosge
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Stratigraphic range: Middle to early Late Devonian
Kinds of fossils: invertebrates
Quadrangle or area: Survey Pass quadrangle
Shipment No.: A-68-3
Referred by: Brosge, William P.
Report prepared by: Dutro, J. Thomas, Jr.
Date: 06/11/1968


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Brief statement of problem and remarks (from collector):
Letter to J.T. Dutro, Jr., from Brosge, dated June 13, 1968

Dear Tom:

Thank you for digging out 24AMt8. Now that the identifications are up to date I would like to improve Mertie's location data too. According to the pace and compass traverse and description of tributary streams in Mertie's notes, the locality is not 7 3/4 miles above the mouth of the Unakserak as Bull. 815 states. It is 4 1/2 to 5 miles above the mouth of the Unakserak and is downstream from the mouth of Alkali Creek.
User Note module to be added
24AMt8 (1973-SD) , Survey Pass , Alaska, Survey Pass quad., west side of canyon of Unakserak River, 7-3/4 miles from the confluence of the Unakserak and Alatna Rivers. Rocks mapped as "Undifferentiated Silurian(?) rocks by J.B. Mertie. Collector: J.B. Mertie, Jr., 1924. [W.P. Brosge in letter of June 13, 1968 indicates that he believes this locality is actually 4 1/2 to 5 miles above the mouth of the Unakserak and is downstream from the mouth of Alkali Creek.
pelmatozoan debris, indet.
crinoid columnals, possibly Laudonomphalus
Alveolites? sp.
thamnoporoids?, indet.
horn coral, indet.
Spinatrypa?, indet.