A tri-fold brochure for HGI showcases geological surveys, acid rock drainage, dam safety, and locating seepage. The brochure includes photos of professionals in the field, geological maps, and contact information for HGI.

A tri-fold brochure for HGI showcases geological surveys, acid rock drainage, dam safety, and locating seepage. The brochure includes photos of professionals in the field, geological maps, and contact information for HGI.

A tri-fold brochure for HGI showcases geological surveys, acid rock drainage, dam safety, and locating seepage. The brochure includes photos of professionals in the field, geological maps, and contact information for HGI.