Postcard, "The Hanging Tree" by John Topolnicki. Scalloped edges. Caption on the reverse: "Dillon Lake; I-70; U.S. 6; High Country Year-Round Recreation Center in Colorful Colorado" and "Carefully guarded reserve for Denver water supply sparkles below the peaks of the Ten Mile Range. Serves as a center for boating, fishing, and camping in bordering national campgrounds in the Arapahoe National Forest. Sailing and snow skiing are combined here in the late spring."

Golden yellow autumn colors of aspen trees on Boreas Pass road with a view of Quandary Peak, Mount Helen and Peak 10 of the Tenmile Range in the background. In the valley below is Goose Pasture Tarn Lake, located south of Breckenridge, Colorado, near the town of Blue River. Photograph was taken probably after Goose Pasture Tarn dam was constructed in 1965.

Golden yellow autumn colors of aspen trees on Boreas Pass road with a view of Quandary Peak, Mount Helen and Peak 10 of the Tenmile Range in the background. In the valley below is Goose Pasture Tarn Lake, located south of Breckenridge, Colorado, near the town of Blue River. Photograph was taken probably after Goose Pasture Tarn dam was constructed in 1965.

Postcard, "Colorado Photography" by John Topolnicki. Scalloped edges. Caption on the reverse: "Boating at Lake Dillon; Interstate Hwy. 70; U.S. 6 - Colorado Hwy. 9; Altitude 9100 Ft. Summit County; Colorful Colorado" and "High in the Colorado Rocky Mountains with its vast 3300 acres and 25 miles of shoreline, this second largest lake in the state provides picnicking, boating, sailing and fishing."

Postcard, "Colorado Photography" by John Topolnicki. Scalloped edges. Caption on the reverse includes the four (4) b's Breckenridge logo: "Morning tide at Lake Dillon; Interstate Hwy. 70; U.S. 6 - Altitude 9100 Ft.; Summit County, Colorful Colorado" and "With its shoreline of 25 miles, there's fishing the year round, sailing, boating and picnicking. The impressive Tenmile Range spans in the background."

Postcard, "Colorado Photography" by John Topolnicki. Scalloped edges. Caption on the reverse includes the four (4) b's Breckenridge logo: "Sailing Time at Lake Dillon; Interstate Hwy. 70; U.S. 6 - Altitude 9100 Ft.; Summit County, Colorful Colorado" and "For sailing, boating, fishing and picnicking within its 25 miles of shoreline. Spanning the background is the imposing Tenmile Range."

Blue Lake, a high alpine lake on the north side of Quandary Peak. Wheeler Mountain and Fletcher Mountain are visible in the distance. South of Breckenridge, Colorado.

View of the Tenmile Range and Lake Dillon in Colorado, and US Highway 6/Highway 9 from Frisco to Breckenridge.

Postcard, "Colorado Photography" by John Topolnicki. Caption on the reverse: "Peaks of the Tenmile Range; Ever-Changing Lake Dillon; U.S. Highway 6 - Colorado Highway 9; High Country - Summit County - Colorado" and "From glaciers, from springs, from rivulets, this quiet, mirror-like mountain lake in an autumnal setting reflects the grandeur of dominating mountain peaks."

Postcard, "Colorado Photography" by John Topolnicki. Caption on the reverse: "Lake Dillon Amid Bountiful Mountain Beauty; U.S. Highway 6 - Colorado Highway 9; High Country - Summit County - Colorado" and "This aqua-marine gem glistens brilliantly in the necklace of the snow-capped peaks of Tenmile Range. Ski-Yachting - Boating - Fishing - Camping."

Postcard, "Colorado Photography" by John Topolnicki. Scalloped edges. Caption on the reverse: "Peaks of Tenmile Range; Ever-Changing Lake Dillon; U.S. Highway 6 - Colorado Highway 9; High Country - Summit County - Colorado" and "From glaciers, from springs, from rivulets, this quiet, mirror-like mountain lake in an autumnal setting reflects the grandeur of dominating mountain peaks."

Postcard, "The Hanging Tree" by John Topolnicki. Scalloped edges. Caption on the reverse: "Dillon Lake; I-70; U.S. 6; High Country Year-Round Recreation Center in Colorful Colorado" and "Carefully guarded reserve for Denver water supply sparkles below the peaks of the Ten Mile Range. Serves as a center for boating, fishing, and camping in bordering national campgrounds in the Arapahoe National Forest. Sailing and snow skiing are combined here in the late spring."