About ASTMâ¦. Two New Journals. â¢ Advances in Civil Engineering Materials covers topics relating to the. properties and performance of civil engineering materials, such as concrete, asphalt, steel, polymers and polymeric composites, and wood.
A census is the procedure of systematically acquiring and recording information about the members of a given population. The term is used mostly in  connection with national population and housing censuses; other common censuses include agriculture, business, and traffic censuses.
(October 2009) A census tract, census area, census district or meshblock is a geographic region defined for the purpose of taking a census. Usually these coincide with the limits of cities, towns or other administrative areas and several tracts commonly exist within a county.