You are in the CarrTracks website Picture Gallery.
From nearly the same spot, Extra 8303 East is honking for the highway crossing on November 28, 1977. Disk 54 above
On December 18, 1971, my brother and I were on a short one week train chasing trip over to Arizona and back. Our first train on the first leg of the trip was Extra 8668 East with helper engines 7155 and 6925 on the point. That is me in the lower right of Steve's picture. I had taken one picture and was now turned waiting for the units to pass to grab a second shot.