yucca mountain
71Reacteur nucleaire naturel d'Oklo — Réacteur nucléaire naturel d Oklo Localisation du Gabon …
72Réacteur nucléaire naturel d'Oklo — 1°23′40″S 13°09′39″E / 1.39444, 13.16083 …
73Réacteur nucléaire naturel d'oklo — Localisation du Gabon …
74First Transcontinental Railroad — This article refers to a railroad built in the United States between Omaha and Sacramento, completed in 1869. For other transcontinental railroads see transcontinental railroad. At the ceremony for the driving of the Last Spike at Promontory… …
75Nevada — Para otros usos de este término, véase Nevada (desambiguación). Estado de Nevada State of Nevada Estado de los …
76Tunnel boring machine — A tunnel boring machine that was used at Yucca Mountain nuclear waste repository A tunnel boring machine (TBM) also known as a mole , is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.… …
77Nevada — (Details) (Details) …
78environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
79Neptunium — uranium ← neptunium → plutonium Pm ↑ Np ↓ (Uqt) …
80United States Department of Energy — For the education department, see United States Department of Education. United States Department of Energy Seal of the Department of Energy …