Sentence:  The Secretary of the Interior shall submit a report of his <WSD>findings</WSD> , together with recommendations for an effective safety program for metal and nonmetallic mines ( excluding coal and lignite mines ) based upon such findings , to the Congress not more than two years after the date of enactment of this Act . 
Meaning of the word marked with <WSD> tags:  the act of determining the properties of something, usually by research or calculation