[digger48]

a cubic yard of stone rip rap weights 127 lbs.

don't you mean a cubic foot?

A cubic yard of limestone riprap is around 3300 pounds or so, depending on the grade.

I've installed tens of thousands of tons of the stuff.

[calex59]

Yep, I made a typo. A cubic foot.

[calex59]

A cubic yard of stone rip rap weights 1.4 tons according to everything I can find on it:)

[the invisib1e hand]

Used to love that stuff.