National Geographic Magazine Vol. 10 - 07. July 1899
The National Geographic Magazine, an illustrated monthly, Vol X, July 1899. It includes the following articles: Physiography of the Nicaragua Canal Route by C. Willard Hayes Nicaragua and the Isthmian Routes by A. P. Davis The Wellman Polar Expedition by J. Howard Gore The Coast and Geodetic Survey: its present work by E. D. Preston Exploration in Alaska Meteorology in the Philippines The Mission of the Diana along with Geographic Literature and Miscellanea