4605
Salem Harbor was deep enough to host a seadrome with three sea lanes , offering a variety of take-off headings irrespective of wind direction unless there was a strong steady wind from the east .
 location: Salem Harbor
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: Salem Harbor