Back Issues — Vol.52, No.4   2021
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The Áliva Mines!
Vol.52, No.4
July - August 2021
The Áliva Mines!
Title Page number(s)
The Áliva Mining District, Picos de Europa Mountains, Camaleño, Cantabria, Spain
R. Sanabria Orellana & J.R. Garcia Álvarez
361- 415
The Penfield and Walworth Quarries, Monroe and Wayne Counties, New York
J. K. Brizendine & C. J. Stefano
421- 456
Featured Collection Pages
Scott Rudolph Collection
Steve Smale Collection
Paradise Woods Collection (Poster Insert)
Notes from the Editor
Obituary: Paul Obeniche
Obituary: Chuck Lewis
What's New in Minerals
Tucson Show April 2021
463- 477
T. P. Moore
Book Reviews
C. J. Stefano, T. P. Moore
479- 481