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time machine tuesday

time machine tuesday

Time Machine Tuesday: Early Development of the Telephone in Colorado

Alexander Graham Bell first patented the telephone in 1876, the same year Colorado became a state. At first, people believed …

Colorado State Publications Blog

Amy Zimmer

April 1, 2021

Time Machine Tuesday: Colorado School Buildings, 1910

A new addition to the State Publications Library’s digital collection is School Buildings, published by the Colorado Department of Public …

Colorado State Publications Blog

Amy Zimmer

September 4, 2020

Time Machine Tuesday: Building the State Capitol

Today, the Capitol Building with its famous gold dome is one of the most recognized symbols of our state. But …

Colorado State Publications Blog

Amy Zimmer

August 26, 2020

Time Machine Tuesday: History of Colorado’s Game, Fish and Parks Agencies

Colorado’s efforts to preserve its natural resources are nothing new. As long as Colorado has been a state, there has …

Colorado State Publications Blog

Amy Zimmer

March 4, 2020

Time Machine Tuesday: Tungsten Mining in Colorado

Colorado mining isn’t just about gold and silver. There are many other metals, minerals, and elements that have been mined …

Colorado State Publications Blog

Amy Zimmer

February 18, 2020

Time Machine Tuesday: Colorado’s Historic Grain Elevators and Silos

A century ago much of Colorado was dotted with grain elevators, silos, and other agricultural structures. They were found on …

Colorado State Publications Blog

Amy Zimmer

February 4, 2020

Time Machine Tuesday: 100th Anniversary of Prohibition

One hundred years ago this week marked the beginning of Prohibition in the United States, which went into effect on …

Colorado State Publications Blog

Amy Zimmer

June 5, 2020

Time Machine Tuesday: Katherine Craig, Colorado Educator

A few years ago, a couple dozen paintings of Colorado governors and other state officials were uncovered behind a wall …

Colorado State Publications Blog

Amy Zimmer

September 4, 2020

Time Machine Tuesday: Students Debate the Boulder Dam

In the fall of 1927, the University of Colorado announced the topic for that year’s High School Debating League, which …

Colorado State Publications Blog

Amy Zimmer

November 16, 2022

Time Machine Tuesday: Judge Ben Lindsey and the Juvenile Court

The early twentieth century was an era of social reform in the United States. The labor movement, women’s suffrage, and …

Colorado State Publications Blog

Amy Zimmer

June 30, 2021

Time Machine Tuesday: Thanksgiving Songs and Poems

A century ago the Colorado Superintendent of Public Instruction published a series of “holiday books” for teachers. The books were …

Colorado State Publications Blog

Amy Zimmer

November 26, 2019

Time Machine Tuesday: History of Term Limits in Colorado

In the 143 years that Colorado has been a state, the laws regarding terms of office for elected officials have …

Colorado State Publications Blog

Amy Zimmer

December 8, 2022

Time Machine Tuesday: Recovering from the Dust Bowl

In the midst of the Great Depression, farmers on Colorado’s eastern plains also had to contend with another problem, the …

Colorado State Publications Blog

Amy Zimmer

October 17, 2022

Time Machine Tuesday: Mine Accidents and Safety

Explosions. Cave-ins. Blasting accidents. Gas leaks. Floods. Carbon monoxide. In the nineteenth and early twentieth century, mining was one of …

Colorado State Publications Blog

Amy Zimmer

July 8, 2021

Time Machine Tuesday: The Santa Fe Trail

During the nineteenth century the Santa Fe Trail played an important role in the westward expansion of the United States. …

Colorado State Publications Blog

Amy Zimmer

November 16, 2022

Time Machine Tuesday: Colorado Transportation Through the Years

New to our library’s digital collection are two historical publications that tell the story of the development of Colorado transportation …

Colorado State Publications Blog

Amy Zimmer

June 29, 2021

Time Machine Tuesday: Learning to Drive in 1936

Learning to drive has long been one of the milestones that teenagers most look forward to during their high school …

Colorado State Publications Blog

Amy Zimmer

March 27, 2025

Time Machine Tuesday: Denver Mountain Parks

Trick question: how can you be in Denver and in the mountains at the same time? You can, because forty-six …

Colorado State Publications Blog

Amy Zimmer

September 21, 2020

Time Machine Tuesday: Denver’s Freeways That Were Never Built

It was the automobile age…postwar prosperity, new technologies, mass production, and innovations in design meant that cars were selling at …

Colorado State Publications Blog

Amy Zimmer

December 2, 2019

Time Machine Tuesday: Homesteading on the Great Plains

Today, Colorado is experiencing record growth in its urban areas. But a century ago, many of those who moved to …

Colorado State Publications Blog

Amy Zimmer

July 31, 2019

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