Dorsey
You and everyone else
Don't be afraid to keep digging
Anything of interest
That one dig that you forgot about
Keep digging
Seneca sandstone
Seems to be a favorite of theirs
Played a huge part in DC architecture
McClellan was an enemy of Lincoln
Look familiar?
Smithsonian Institution
The Capital
Washington Monument
https://pubs.usgs.gov/gip/stones/stones4.html
https://www.onlyinyourstate.com/dc/amazing-story-quarry-ruins-dc/