Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
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Transcription
Monday July 15-1932
Wea. SAT. APRIL 17, 1909 Ther.
Then worked at the Highgate lurge section from
the Electric Power House down stream to the end of the
moniro crl. Qumton, Engwille and I concluded that
the whole of the Mininguari section is one continuous
sequence and that there is no break to separate the massive
clol below from the thinly bedded fault-bearing beds
above. Nor can any break be seen between the
Mininguari and the Highgate above. Therefore both
in many in hold day that the moniro crl are of Low E.
and the Mininguari thrust over them.
Be next stopped at loc. 3 of my maps, where
how is a los cgl. at the Highgate choke. It's some
where in the upper Highgate since the Seapin intrusall
takes sharply to the east.
Then north to 1/2 mile south of Canadian border
to an angular unconformity between Seapin and
Highgate ls.