From 1864 to 1869, Alfred A. Hart took 364 pictures along the line of the Central Pacific Railroad in order to help solicit investment in the railroad. Between 2008-2011, Jesse White will repeat Hart's journey taking photographs from exactly (or approximately) the same sites.
There are two ways to navigate through the Hart photos:
(1) You can study the photo pairs sequentially.
(2) You can explore them spatially. You can tour the photos via Google Earth, pausing at any time to explore a photo pair in more detail and read the contextual information hidden in the "About" section of each placemark.
Railroad Repeats: The Alfred A Hart Photo Project