St. Mary of the Assumption Catholic Church
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Father J.P. Machebeuf conducted the first mass in Gregory Gulch in 1860. In 1861, St. Mary of the Assumption started as a Mission Parish of St. Marys in Denver. The cornerstone for the church building was laid in 1872, but construction was delayed due to mining slumps and funding problems. Services were conducted in the stone basement, which became known as St. Patricks Church, until the remainder of the Gothic Revival-style church building was completed in 1893.