The pioneers used the "balloon frame" technique in the 1840s and 1850s.

American pioneers used it as a remedy for intestinal parasites.

Historians generally agree that California's early officials and pioneers used genocidal policies against the Indians.

By the mid-19th century, pioneers used these trails to cross the mountains from east to west to reach the fertile Willamette Valley.

Early pioneers used the tree as a guidepost in measuring the distances between towns, he said.

Another way to go with the medium is with interactivity - something the most successful pioneers have used early and often.

He produced Conestoga Wagon wheels, which the pioneers used to travel westward in during the late 1800s.

Other pioneers later used the trail to drive livestock over the mountains.

This was well known during the last century because the pioneers used it in their flintlock guns.

What was the popular name for the covered wagons that pioneers used to cross America's Great Plains?