From Darby Hill in a Heavy Snow

This photo from Darby Hill shows the SP Depot on the right edge.  The roundhouse is in back edge of the buildings and a locomotive is sitting on the turntable.  The two water tank towers are slightly left of center and the bunker oil tank is left of the water tanks.  The signal maintainer's tool house is directly in front of the locomotivbe sitting on the turntable.  This map shows each of the SP buildings (Click on SP buildings).