POTTSVILLE, Pa., July 29, 2011 /PRNewswire-USNewswire/ -- The Department of Environmental Protection today approved a 50-foot, next-level excavation that will allow New Hope Crushed Stone & Lime to excavate limestone to a depth of 170 feet below sea level at its Bucks County quarry. The quarry, which has been in operation since the 1930s, has already been permitted to mine limestone to 200 feet below mean sea level, but approval must be granted at each 50-foot increment to continue to the next level.

ROCKVILLE, Md., March 7, 2011 /PRNewswire/ -- Aggregate Industries US Inc., a wholly-owned subsidiary of Holcim Ltd, announced today that Lattimore Materials Corp. (LMC), a Texas-based aggregates and ready-mix concrete producer, has become a wholly-owned subsidiary of Aggregate Industries US Inc.

HOUSTON, April 27 /PRNewswire-FirstCall/ -- Natural Resource Partners L.P. (NYSE: NRP) announced today that it has closed three acquisitions in the aggregates sector.

ALBUQUERQUE, N.M., March 2 /PRNewswire/ -- Jennifer Hise, a 3rd generation owner of CEMCO, is serving her first term on the NSSGA M&S Division Executive Committee. Executive Committee members serve for 1 year terms for up to three terms.

BIRMINGHAM, Ala., Feb.