2741
In 1927 and 1929 , they had field seasons among the Nisga'a of the Nass River .
 location: Nisga'a; location: Nass River
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: Nisga'a; location: Nass River