Admission is free and all ages are welcome.

The James F. Bailey Wall Street Assay Office Museum, located at 6352 Fourmile Canyon Dr. in Boulder, opens for the season on Saturday, May 18. Admission is free and all ages are welcome.

At the turn of the 20th century, hard rock mining in Boulder County was in full swing, and the area known as Wall Street played a prominent role in this chapter of our community's history.

The Wall Street Assay Office was the place where prospectors would take their ore samples to find out whether or not they had potentially “struck it rich.” The determination of the assayer could, and often did, make or break a prospector.

The building at this site served as both an assay office and family residence, and the museum depicts both functions. Visitors can tour the assay office and family residence.

• Hours: The museum is open 11 a.m. to 3 p.m. every third Saturday of the month through October.
• Location: 6352 Fourmile Canyon Dr., Boulder

For more information visit boco.org/aom or contact Sheryl Kippen at 303-776-8848 or skippen@bouldercounty.org.