Ready for shipping from CalPortland’s Ready Mix and Pioneer Aggregates Plant in DuPont (Image: Cal Portland)

Published Sunday, February 21, 2021 - 8:04 am at 1800 × 1200 in Pikes/Pines | Hitting the pavement for a geological trip through the natural history and present day questions of the Capitol Hill streets and sidewalks beneath our feet

The DuPont plant is not exactly pretty to look at (Image: Cal Portland)

Subscribe

0 Comments

Inline Feedbacks

View all comments

0

Add a commentx

()