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- Mack Model AC Dump Truck with Concrete Mixers at Hoover Dam Construction Site, 1933 - Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.

- November 01, 1933
- Collections - Artifact
Mack Model AC Dump Truck with Concrete Mixers at Hoover Dam Construction Site, 1933
Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.
- Souvenir Viewbook, "Boulder Dam," 1935 - What's better than receiving a postcard from a vacationing friend? How about a souvenir viewbook with multiple images that fold neatly into a postcard-sized packet? This viewbook contains eighteen images and information about Boulder Dam. Tourists traveled to see this engineering marvel beginning in the 1930s soon after its completion. The dam was later rechristened Hoover Dam.

- 1935
- Collections - Artifact
Souvenir Viewbook, "Boulder Dam," 1935
What's better than receiving a postcard from a vacationing friend? How about a souvenir viewbook with multiple images that fold neatly into a postcard-sized packet? This viewbook contains eighteen images and information about Boulder Dam. Tourists traveled to see this engineering marvel beginning in the 1930s soon after its completion. The dam was later rechristened Hoover Dam.
- Hoover Dam Construction Site, 1933 - Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.

- April 01, 1933
- Collections - Artifact
Hoover Dam Construction Site, 1933
Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.
- Mack Model AC Dump Truck and Power Shovel at Hoover Dam Construction Site, November 1933 - Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.

- November 01, 1933
- Collections - Artifact
Mack Model AC Dump Truck and Power Shovel at Hoover Dam Construction Site, November 1933
Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.
- "Hoover Dam" Snow Globe, 1960-1975 - Tourist attractions offered souvenir seekers something new beginning in the 1950s: inexpensive plastic snow globes. These evolved from fancier versions through innovations in plastics and manufacturing technology, and they quickly became connected with travel. Snow globes were fun to collect, easy to transport, and served as both proof of the journey and a lasting representation of vacation memories.

- 1960-1975
- Collections - Artifact
"Hoover Dam" Snow Globe, 1960-1975
Tourist attractions offered souvenir seekers something new beginning in the 1950s: inexpensive plastic snow globes. These evolved from fancier versions through innovations in plastics and manufacturing technology, and they quickly became connected with travel. Snow globes were fun to collect, easy to transport, and served as both proof of the journey and a lasting representation of vacation memories.
- Upper Rim of the Colorado River Canyon at Hoover Dam Construction Site, 1933 - Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.

- April 01, 1933
- Collections - Artifact
Upper Rim of the Colorado River Canyon at Hoover Dam Construction Site, 1933
Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.
- Panoramic View of Hoover (Boulder) Dam, 1947-1965 -

- 1947-1965
- Collections - Artifact
Panoramic View of Hoover (Boulder) Dam, 1947-1965
- Mack Model AC Dump Truck and Marion Electric Shovel at Hoover Dam Construction Site, 1933 - Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.

- April 01, 1933
- Collections - Artifact
Mack Model AC Dump Truck and Marion Electric Shovel at Hoover Dam Construction Site, 1933
Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.
- Pennant, "Hoover Dam," 1947-1965 - Tourists purchase simple, inexpensive souvenirs as proof of their travels. These mementos transport vacationers back to the places they visited and the things they did. In the mid-20th century, felt pennants were trendy. A trip to Hoover Dam offered a variety of scenic views as depicted on this pennant. The engineering marvel was known as Boulder Dam until 1947.

- 1947-1965
- Collections - Artifact
Pennant, "Hoover Dam," 1947-1965
Tourists purchase simple, inexpensive souvenirs as proof of their travels. These mementos transport vacationers back to the places they visited and the things they did. In the mid-20th century, felt pennants were trendy. A trip to Hoover Dam offered a variety of scenic views as depicted on this pennant. The engineering marvel was known as Boulder Dam until 1947.
- Mack Truck Model AC Truck Carrying Workers to Hoover Dam Construction Site, October 1933 - Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.

- October 01, 1933
- Collections - Artifact
Mack Truck Model AC Truck Carrying Workers to Hoover Dam Construction Site, October 1933
Founded in Brooklyn, New York, in 1900, Mack Brothers Company relocated to Allentown, Pennsylvania, five years later. In 1922, the company renamed itself Mack Trucks and chose a bulldog as its mascot. Mack-built trucks were widely used in the construction of Hoover Dam, located on the Colorado River. Work on the dam started in 1931 and was completed in 1936.