metal / fiberglass / hardened steel surface / gas sealant / gas-tight seal / graduated measuring device / oil / gas tight seal / metal cone / few basic tools / steel / /
NaturalFeature
Rocky Mountain / /
Organization
U.S. Department of Agriculture / Cooperative Extension Service / National Rifle Association / RS IT Cooperative Extension Service / New Mexico State University / /
Person
Daniel Boone / Davy Crockett / James E. Knight / Jim Bridger / /