Ice in the Tunnel Freezing groundwater in the drain has created this ice wall in Buckingham Creek Drain, which is nearly all blasted natural stone. Lit with several LED panels. It was a cold night. Related Similar Images ...based on the tags: ice, light-painted, rocks, sepia, tunnels... One of my favorite night views of Fort Snelling’s so-called Upper Post, taken between snowstorms. Part of a furnace control panel. The right portal used to go straight into the basement of the hotel, judging from the ruins. One of a pair of poles to hold the electric lines for the streetcars entering and exiting the tunnel. The sterile room where yeast was grown for the fermentation process. Thanks much, my little alcohol-excreting buddies. Because there’s no Port-a-John underground. Look at the floor–do you see the hole? That goes down a lonnnnnng ways. 2005. Looking across the Mississippi from a park the night after the first snow. A tram that once linked the Sunnyside Mine to the mill in Eureka has been reduced to a single cable. Nearby, an open adit drips water into a tributary of the Animas River.