0 • A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P • Q • R • S • T • U • V • W • X • Y • Z
1: Active solar heating system 2: Soil 3: Community 4: Hazard 5: Lead 6: Range 7: Feeder 8: Japan 9: Contamination 10: Fishery 11: Change 12: Electricity 13: Atmosphere 14: Carbon 15: Bird abatement 16: Periplaneta americana 17: Process 18: Sample 19: Coal 20: Water (As of 13:18)
Unconfined ground water is water in an Aquifer that has a water table that is exposed to the atmosphere. See confined ground water