Scientific Investigations Map 2940
Pacific NW Geologic Mapping Project
Geologic maps of the North Cascades
Additional photographs
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Map photo index
Correlation of Map Units diagram photo index:
Late- and post-orogenic rocks and deposits
Orogenic and pre-orogenic rocks west of Ross Lake fault zone
Orogenic and pre-orogenic rocks in and east of Ross Lake fault zone
To view photo click on unit box. Not all units have associated photos