Outdoor Silverton Quest #2

Lili arrived in Monte Cristo in 1893 to seek her fortune as the proprietor of the mercantile in town. She built the mercantile in town to serve all of the miners and companies seeking their fortune in the mines above the town. In addition to her renowned baking, she was able to harvest the ice above the town and bring ice cream to the town she loved. What is the color of the letter a?