1. I made a straight-line cross-section that is perpendicular to a mountain or river valley.
  2. I reduced the number of points to three, keeping whitney, panamintspring, and badwater. panamintsprings is the middle of the map.
  3. I removed lonepine, owenslake, and beattyjunction from the "var path" definition.

Cross-section of elevations in the Death Valley area