How can I obtain passports for my children when their father cannot be located?

Question: My husband and I have been separated for over 10 years. He lives in another state, I think. He chooses to have no contact with our children.

Source: http://www.us-passport-service-guide.com/how-can-i-obtain-passports-for-my-children-when-their-father-cannot-be-located.html

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