Early voting in the August 8 primaries begins Saturday. Here are the Denver locations:

Montbello Rec. Center, 15555 E. 53rd Ave. Montclair Rec. Center, 729 Ulster Way District 3 Police Station, 1625 S. University Blvd. Athmar Rec. Center, 2680 W. Mexico Ave. Scheitler Rec. Center, 5031 W. 46th Ave. Wellington Webb Building, 201 W. Colfax Ave.

Here is a brochure (pdf) listing all of the early voting locations. You can view the Republican ballot here (pdf) and the Democratic ballot here (pdf). Colorado Confidential has more details.