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Fun with maps

Posted: Mon May 21, 2018 9:51 pm
by Curtis Reid
Part of the fun of building routes is dealing with the inaccuracies of maps. For example, there's a map of Promontory on May 10, 1869 (map 3 from the 1969 Historical Base Map and Documented Narrative publication from the NPS). It looks nice and detailed, with a scale and everything. Unfortunately, when overlaid on top of the actual ground imagery, it appears to be missing a bend in the track, right about the location of the joining of the railroads:
map.gif
The blue line is a tracing of the current reconstructed tracks; placed upon the original historic grade. You can see how the map aligns properly on the UP side, but not so much on the CP side....

Here's the view from Google Maps, for reference:
map2.jpg
Fun times....
Curtis