Casselberry & Associates endorse GeoVISION borehole cameras by Marks Products Inc.   GeoVISION
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Casselberry & Associates bought one of the first GeoVISION cameras made back in 1989. It is used in our work of developing high capacity water wells for municipalities and industries. This borehole camera system has been in continus service this entire time we have owned it and it has performed very well.

Jim Cassellberry
801 East Branch Road
State College, PA 16801
USA
(814)235-2362