MBGS School Presentation Resources 

Core Display Educational Tool Available to Members

MBGS has a core display available for use that visually demonstrates
permeability/porosity. There are posters available for use with the

core display. Contact Mark Wollensak at wollensak@voyager.net

to reserve this great educational tool.

Postcards, Pens,  & Pencil & Rulers 

Postcards, Pens,  & Pencil & Rulers