Flute cast in flysch deposit
Location: Interstate 70 west of Frederick, MD
Merckslides catalogue number: 06-16153
Comments: UMD Historical Geology Western Maryland field trip.
Channel deposit obliquely sectioned by roadcut (Sara Catlin for scale)
Location: Interstate 70 east of Hancock, MD
Merckslides catalogue number: 06-16150
Comments: A line of fossil oyster shells marks an ancient hard ground.
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