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Peter Rathmann
736 trips
Black Diamond Mines Regional Preserve hike
Black Diamond Mines Regional Preserve hike
Peter Rathmann
Date
2016-02-21
Distance
10.9 km
6.8 mi
Duration
2h:34m
Photos
33
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Start of hike near entrance kiosk on Somersville Rd.
Snow-capped Sierras behind Antioch bridge
Greathouse Portal mine entrance
Eureka Slope coal mine
Trail along old RR grade
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Outing of the East Bay Casual Hikers in the Black Diamond Mines park area south of Antioch.
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