industry product analysis summary 2002 economic census mining subject series issued march 2005 ec02 21sx 1 us department of commerce economics and statistics administration bureau this report was prepared in the manufacturing construction division under direction judy m dodds assistant chief for related programs who responsible overall planning management coordination susan bucci minerals branch assisted by john walsh section raphael corrado tom flood robert miller rosati special assistants performed implementation kaylene hanks richard hough lacey loftin vicki mills kara moore felix veras provided primary staff assistance mendel d gayle support kimberly dephillip publication process patrick duck michael flaherty taylor c murph wanda sledd veronica white mathematical statistical techniques as well coverage operations were paul hsen research methodology stacey cole struble jeffrey dalzell cathy gregor eddie j salyers