Statistics for occurrence #1 of “Salt River” in page 28 of Matthew Arnold, Civilization in the United States: First and Last Impressions of America.:

...
a Colonel Thomas Harris, encamped on the Salt River . As Grant and his men approached the place where they expected to find Harris, my heart, he says, kept getting higher and higher, until it felt to me as if it was in my throat. But when they re...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Salt River (Arizona, United States) 36 0 0 0 0 user votes
Salt River (California, United States) 0 0 0 0 0 user votes
Salt River (Tennessee, United States) 0 0 0 0 0 user votes
Salt River (United States) 0 0 0 0 0 user votes
Salt River (West Virginia, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.