A lack of oxygen supply to the tissues can also produce pain by causing the release of chemicals from ischemic tissue. Muscle spasm is another cause of pain, probably because it has the indirect effect of causing ischemia and stimulation of chemosensitive pain receptors. Transmission and Recognition of Pain.
Washington Monument State Park In Washington County, four miles east of Boonsboro and 1 1/2 miles north of Alternate Route 40 on Monument Road, Washington Monument State Park is named for the first monument in the country erected to the father of our country, George Washington.
1 Special events are held throughout the year along the Potomac waterfront. 2  George Washington Memorial Parkway-The road is a part of the National Park system and connects Washington DC attractions and historic sites stretching from Great Falls Park to George Washingtonâs Mount Vernon Estate.