What concepts are described in the following sentence?

"The 11th Mississippi Infantry Monument, established in 2000, can be found in Adams County Pennsylvania. The county is bordered to the north by Cumberland county and to the southeast by Carol County."

Return the answer as pairs of triples.
Adams County, Pennsylvania HAS_TO_ITS_SOUTHEAST Carroll County, Maryland
11th Mississippi Infantry Monument ESTABLISHED 2000
Adams County, Pennsylvania HAS_TO_ITS_NORTH Cumberland County, Pennsylvania
11th Mississippi Infantry Monument LOCATION Adams County, Pennsylvania