Timeline
Timeline 1860 One of the earliest mining camps in the Blue River Valley area was Parkville, founded in 1859 shortly after rich placer gold deposits were discovered. Parkville, also known as Park city, sprang up at the mouth of Georgia Gulch on the Swan River about six miles east of Colo. 9. The population of Parkville quickly grew to an estimated 1,800 residents. 1860 George Spencer of the prospecting firm Spencer & Company founded the town of Breckenridge. 1861 Summit County, the largest of the original seventeen counties of the Colorado Territory was founded. Upon establishment, Summit covered nearly the entire northwestern quadrant of Colorado. The county would later be subdivided into 8 counties 1861 Work began on a toll road over Argentine Pass. The toll was typically one dollar for a team and wagon. 1865 Montezuma was set