Seventeenth Street Republicans swept the Colorado elections. This is the branch of the GOP also known as the Democrats-by Phil Goodstein

Years ago I had one of his books, possibly this one
Seamy Side of Denver by Phil Goodstein
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The history of street names in Denver, Colorado, including Arapahoe Street, Larimer Street, Market Street, Wynkoop Street, Stout Street and Champa Street.
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Here's a generally unknown Denver street-- colfax place (not ave)