The following year, the CSM Alumni Association was founded with members wearing the first instance of the school's Reuleaux triangle symbol. In 1898, Florence Caldwell became the first female graduate of the School of Mines, earning a Civil Engineering Degree.
=== 20th century ===
At the turn of the century, the School of Mines officially changed its name to the Colorado School of Mines. This marked the start of a long period of investment into Mines. In 1905, Simon Guggenheim donated $80,000 for the construction of Guggenheim Hall, which serves as the school's administration building. On nearby Mount Zion, student Herbert Everest designed a large M made out of rocks for his senior thesis, which was constructed by 20 faculty and 250 students. Also on Mt. Zion, the first experimental mine owned by the Colorado School of Mines was opened. Known as the School Tunnel, it served to train mining engineers until 1921, when the Edgar Mine was purchased and the original School Tunnel was abandoned.
In 1919, tensions …
