pubs.usgs.gov · vb Holocene Miocene lÅd QC pa SCALE 43' Qal las vb supa uas Ipa 70 75...
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pubs.usgs.gov · vb Holocene Miocene lÅd QC pa SCALE 43' Qal las vb supa uas Ipa 70 75 DESCRIPTION OF MAP UNITS ALLUVIUM — Silt, gravel, and locally, boulders COLLUVIUM — Angular