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Back Issues: November/December 1992


Rocks & Minerals
(67:06)
November/December 1992


FEATURES

380  Minerals of the Etta Pegmatite, Black Hills, South Dakota


390  The San Pedro Mine, Santa Fe County, New Mexico


396  Collections and Displays: Biology-Earth Sciences Museum, University of Waterloo, Ontario, Canada


400  New Canadian Mineral Stamps Issued


402  Hercynite Crystals from the Kimzey Calcite Quarry, Magnet Cove, Arkansas, and Their Distinction from Perovskite


405  Indian Trail Caverns: A Window on Ohio’s Pleistocene Bestiary


410 
Rock Chips : How Are Natural Bridges Formed:?
   

416  Spotlight on Juniors: Innovative Partnerships for Earth-Science Education in Philadelphia


418 
In Memoriam: Josephine Louise Scripps (1910-1992)
   

DEPARTMENTS

373  Chips from the Quarry

375  Letters

377  Geo-Currents


420  Media Reviews


423 
Museum Notes and Announcements

425  Coming Events

428 
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