Books about the Charco del Ingenio on sale at the Botanical Garden  
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Guía de Aves del Charco del Ingenio. San Miguel de Allende, Guanajuato.
Texts in Spanish by Landy Orozco et al.; photos by Susan y Wayne Colony. Published by the Botanical Garden in collaboration with the Ecology Department of the State of Guanajuato. 2014. 300 pesos.