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 

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Contact Us

Mailing Address​​​​​​: MBGS P.O. Box 14044 Lansing, Mi 48901-4044

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