COLORADO ON GLASS is a 416-page study of the Centennial State from glass plate negatives. This book was published by the highly acclaimed Denver-based Sundance Publications in 1975. You are looking at numbered book 1900, which is not signed by the author. Though I am not a proffesional book dealer, this appears to warrante  GOOD rating due to the scuffing on lower left front cover and missing clear protective dustjacket that was a Sundance tradition for nearly forty years.   

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