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by Guerra, Lillian
by Modlinger, Marianne
by BUELL, THOMAS
by United States Congress; United States House of Representatives; Committee on Natural Resources
by García, Martín Meraz; Cottam, Martha L.; Baltodano, Bruno M.
by Szapor, Judith
by Billy G. Webb
by Hayworth, Jordan R.
by Greenberg, Martin Harry
by Katto, Jonna