GPR Test Pit Facility at HARC (Houston Advanced Research Center)

The initial hole 25' x 21' x 4.5':

Humans for scale:

A 6 mil plastic liner lines the the whole pit

The "origin" of the sand for the pit. A sand sculpture featuring Dr. Seuss characters at The Woodlands Mall, The Woodlands, TX:

Filling the pit with the sand from the exhibition:

A very slow process:

Almost 1/30 Done!:

Department of Geology and Geophysics / Rice University