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 Geologic Quiz No. 1

Beginning in the 1950’s and 60’s Williams & Heintz Map specialized in making, and printing geologic maps.  For advertisement, we ran a  Geologic Quiz  Series in  a publication for geologists called the GEOTIMES.  This is the First one.

Williams & Heintz Map Geologic Quiz 1

Quality and service; that was valuable back then too.

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