I went looking for more information on the U.P. Hotel at Ceres and Central...
lapl
...and found it right here on our own thread.
Beaudry had posted this photo way back on June 2, 2010:
USC
There is our hotel on the right, and it is directly across the street from the Union Pacific Station at 5th and Central. That not only explains why it was named the U.P. Hotel, but also why there was even a hotel there at all.
Also, check out the tracks going down Ceres!