‘This Day’ a Sudoko-like puzzle for historian
This Day in San Diego History by Linda H. Pequegnat, Sunbelt Publications, 2009, ISBN 978-0-932653-90-1, $19.95 By Donald H. Harrison SAN DIEGO — There are 478 years between 1513, when Vasco Nuñez de Balboa crossed the Isthmus of Panama from the Atlantic Ocean to the Pacific Ocean, and 1991, the year of the death of […]
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Donald H. Harrison





