Uranium uses the symbol M.
The 183rd Pennsylvania House of Representatives District is located in Lehigh County and Northampton County and includes the following areas  :. Pennsylvania House of Representatives. Pennsylvania House of Representatives. Lehigh County. Lehigh County, Pennsylvania. Northampton County. Northampton County, Pennsylvania. Northampton. Northampton, Pennsylvania. Lehigh County. Lehigh County. Lehigh County, Pennsylvania. Slatington. Slatington. Slatington, Pennsylvania. South Whitehall Township -LRB- PART , Districts 05 , 06 and 08 -RRB-. South Whitehall Township. South Whitehall Township, Lehigh County, Pennsylvania. Whitehall Township. Whitehall Township, Lehigh County, Pennsylvania. Washington Township. Washington Township. Washington Township, Lehigh County, Pennsylvania. Whitehall Township -LRB- PART , Districts 07 , 10 and 11 -RRB-. Whitehall Township. Whitehall Township, Lehigh County, Pennsylvania. Northampton County. Northampton County. Northampton County, Pennsylvania. Northampton. Northampton, Pennsylvania. Allen Township. Allen Township. Allen Township, Northampton County, Pennsylvania. Lehigh Township. Lehigh Township. Lehigh Township, Northampton County, Pennsylvania. Moore Township -LRB- PART , Districts Beersville and Klecknersville -RRB-. Moore Township. Moore Township, Northampton County, Pennsylvania. North Catasauqua. North Catasauqua. North Catasauqua, Pennsylvania. Northampton. Northampton. Northampton, Pennsylvania. Walnutport. Walnutport. Walnutport, Pennsylvania