4531
He was baptized by his father in the Elkhorn River on July 1 , 1848 , and arrived in the Salt Lake Valley on October 19 , 1848 .
 location: Elkhorn River; location: Salt Lake Valley
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Elkhorn River; location: Salt Lake Valley