Expert Essay: Associate professor of history Jeff Kolnick looks at agriculture through several lenses and offers his view on its overall impact on Minnesota, past and present.

"If not fully satisfied, your money cheerfully refunded." We take statements like this for granted today, but when twenty-eight-year-old entrepreneur Joseph Ray (J. R.) Watkins of Plainview, Minnesota, put that message on a bottle of his Red Liniment, he was a trailblazer.

The Moorish/Byzantine-style building at 1004 Oliver Avenue North in Minneapolis was home to the congregation Mikro Kodesh (Holy Assembly) from the 1920s through the 1960s. It is one of the few physical remnants of the now-dispersed North Side Jewish community.

In 1906, construction began for the Minnesota State Sanatorium for Consumptives, or Ah-Gwah-Ching, about three miles south of Walker in Cass County. Overlooking Shingobee Bay on the south shore of Leech Lake, the hospital evolved into a massive complex of distinctive buildings.

Strauss Ice Skates were made by hand at Strauss Skate Shop in St. Paul for almost 100 years. They were popular with professional and amateur skaters in the United States and other countries because of their consistent high quality, which was achieved through a secret hardening process.

The Minneapolis, St. Paul and Sault Ste. Marie Railroad, commonly known as the Soo Line from a phonetic spelling of Sault, helped Minnesota farmers and millers prosper by hauling grain directly from Minneapolis to eastern markets.

In June 1922, the Minneapolis Public Library book wagon made its first trip from Minneapolis to Excelsior, a small village on Lake Minnetonka. Riding aboard the book wagon was Gratia Countryman, the library system's visionary director.

Before 1899, few Minnesotans had access to free public libraries. But in that year, the state legislature began funding a system of traveling libraries that were sent to underserved communities in all parts of the state for only the cost of shipping.

The Western Appeal was one of the most successful African American newspapers of the late nineteenth and early twentieth centuries. At the height of its popularity, it was published in six separate editions in cities across the United States, including St. Paul.

The Soudan Mine, which opened in 1884, is located at the western edge of the Vermilion Range, about two miles northeast of Tower. It was the first iron mine in the state, and its first ore shipment in the summer of 1884 marked the beginning of the state's mining industry.