Boulder Chamber of Commerce

In 1969, the Boulder branch of the Ball Brothers Research Corporation was renamed Ball Corporation Aerospace Systems Division.

From the description of Boulder businesses : buildings. [undated] (Boulder Public Library). WorldCat record id: 427304737

Hikes at the Arapaho Glacier were held for a number of years. The Boulder Chamber of Commerce organized the hikes annually on the second Sunday in August from 1939 through 1976. Thousands of people participated in this public event.

From the description of Colorado's most unique summer event : the famous hike to the Arapaho Glacier notices. 1950-1964. (Boulder Public Library). WorldCat record id: 427293963

From the description of Arapaho Glacier hike statistical reports 1958-1968. (Boulder Public Library). WorldCat record id: 427293972

Hikes at the Arapaho Glacier were held for a number of years. The Boulder Chamber of Commerce organized the hikes annually on the second Sunday in August from 1939 through 1976. Laurence Paddock states that "over the years, more than 14,000 persons from carried infants to 80-year-olds took part, with the only two injuries reported in 1954."

The 1960 leaflet (which appears to be the same as the 1952 leaflet)has the membership card of Jane Lewis, who donated this issue.

From the description of Arapaho Glacier hike: souvenir folder leaflets. 1941, 1952, 1960. (Boulder Public Library). WorldCat record id: 427293438