The Texas blackland prairie
soils are a black, alkaline, calcium-saturated clay, sometimes referred
to as "gumbo," which developed from the Austin chalk formation
and the volcanic ash that adulterated those carbonates as they were
deposited in the shallow Cretaceous-age seas.
Murals line Mary Cliff road on the eastern edge of Twelve Hills (the
western edge of Rosemont Elementary)
"We shall never achieve harmony with land, any more than we shall achieve absolute justice or liberty for people. In these higher aspirations the important thing is not to achieve, but to strive." - Aldo Leopold