Choose a map marker or path (the dark line) on the map to see details for points of interest from Frémont's expeditions. Zoom in/out; change from map to satellite view; follow the links for more information. This was written so that on an iPhone the format changes with rotation.

This is something Clara Graham learned to do at a developer's conference in San Francisco. The sites were edited by her father. I am thinking about using this concept to present Frémont's not previously defined route of exploration up the Sacramento Valley as far north as Redding in the spring of 1845.