mineral book:"The agates of North America, Hugh Leiper, 1970

Description

Agate book in black and white seems like an odd duck in these modern times, given the numerous and gorgeous agate books which came out in recent years. However, color photography did not always exist. Books like this one have a value beyond the visuals, as it provides a great overview of the various agate localities know in the US during the 60's. Some localities, might still be widely known, while others might have slid into obscurity over the last decades. This is still an early standard work on agates, with much good information to explore.
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