"Natural resources." . . "Materials Research United States." . . "Environmental policy United States." . . "Natural resources United States." . . "Materials Research." . . "Environmental policy." . . "United States. Congress. House. Committee on Science and Technology. Subcommittee on Science, Research, and Technology." . . . . . . . . . . . . . . . . . "Summary of hearings, a national policy for materials, research and resources (H.R. 10859 and H.R. 13025)" . "Summary of hearings, a national policy for materials, research and resources (H.R. 10859 and H.R. 13025)"@en . . . "Summary of hearings : a national policy for materials, research ad resources (H.R. 10859 and H.R. 13025)" . . . . . . . "United States." . .