Map[Brazil and Bolivia boundary]. Available also through the Library of Congress web site as a raster image.
- Date: 1915
MapSketch map showing the general course of the newly discovered tributary of the Madeira and the approximate route of the Roosevelt-Rondon expedition.
Col. Roosevelt's exploration "The inset shows the location and extent of the main map." From Bulletin of the American Geographical Society, July, 1914. LC copy stamped: 626888. Available also through the Library of Congress Web site as a raster image.
- Date: 1914