Silver cities of Yucatan, by Gregory Mason 77539 [Author: Gregory Mason] [Contributor: Herbert J. Spinden] [Link: https://www.gutenberg.org/ebooks/77539] note: link will be active within two hours of posting. Thanks to Terry Jeffress and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) Regards, Al