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Map of twenty-two Spanish and American trails and routes affecting California, 1694-1894: To accompany Richman's "California under Spain and Mexico."
Map shows the geography, trails, and transportation routes in the western half of Spanish and U. S. North America between the seventeenth and nineteenth centuries. Relief shown by hachures. Scale [1:3,516,480].
Date:
1911
Creator:
Borgnis, Franklin P.
System:
The Portal to Texas History
Geologic map of North America
Map shows the known geology of early twentieth century North America. Includes legend of geological periods. Scale not given.
Date:
1911
Creator:
Selden, Henry S.
System:
The Portal to Texas History