Reblogged by jsonstein@masto.deoan.org ("Jeff Sonstein"):
msherr@fediscience.org ("Micah Sherr") wrote:
Calculus graffiti on Sligo Creek Trail, Montgomery County, MD.
Reblogged by jsonstein@masto.deoan.org ("Jeff Sonstein"):
msherr@fediscience.org ("Micah Sherr") wrote:
Calculus graffiti on Sligo Creek Trail, Montgomery County, MD.