ENGRAVINGS
OF
Prehistoric Specimens
FROM
Michigan, U.S.A.
COPYRIGHT, 1910, BY
RUDOLPH ETZENHOUSER
Proprietor
Engravers' Certificate
The originals from which the accompanying reproductions
were made have been carefully inspected by us. We
certify that the halftones are accurate reproductions of
the prehistoric originals.
Van Leyen & Hensler
Detroit, Michigan
JOHN BORNMAN & SON, PRINTERS, DETROIT
Copyright © 2010 Calvin & Rosanna Hamilton. All rights reserved.