287381
Mechanical data included : indicated horsepower 400 ; single boiler , steel firebox built by Willamette Iron Works , Portland , Oregon .
 Willamette Iron Works, Portland, Oregon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Willamette Iron Works, Portland, Oregon