: any of a various gram-negative, parasitic bacteria (order Rickettsiales and especially genus Rickettsia) that are transmitted by biting arthropods (such as lice or ticks) and cause a number of serious diseases (such as Rocky Mountain spotted fever and typhus ) âRickettsia are often pleomorphic, and may be coccoid, rod-shaped, or irregularly-shaped ...
Massachusetts Routes: US Highways and State Routes include: Route 1, Route 3, Route 6, Route 7, Route 20, Route 44 and Route 202. Copyright information: The maps on this page were composed by Brad Cole of Geology.com. If you want to share these maps with others please link to this page. These maps are property of Geology.com and may not be used beyond our websites. They were created using data licensed from and copyright by Map Resources.
List of longest state highways in the United States. In the United States, each state maintains its own system of state highways. This is a list of the longest state highways in each state. As of 2007, the longest state highway in the nation is Montana Highway 200, which is 706.624 miles (1,137.201 km) long. Longest state highways by state.