Many of today's local rural roads and bridges were built in the late 1800s and early 1900s when farms were small, and farmers needed road access to homes, schools, churches and markets. During the 1920s and 1930s, these roads were surfaced mainly with gravel, and bridges were reinforced to carry...

Sulfur dioxide emission standards for coal-fired stationary boilers generally range from 1.2 pounds per million Btu of heat input for large boilers constructed after August 17, 1971 to 5 to 6 pounds of SO2 emissions for other large boilers constructed on or before August 17, 1971 and for boilers...