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- Vital Statistics:Twenty Years after Earth Day ;2\time\charts\envi\vital
- Endangered/Threatened Species of Mammals:1989 ;2\time\charts\envi\environ.1
- Territorial Expansion of the United States ;2\time\charts\envi\environ.2
- Lengths of Principal North American Rivers ;2\time\charts\envi\environ.3
- Water Area, Other than Inland Water--States ;2\time\charts\envi\environ.4
- Water Withdrawals & Consumptive Use per Day:1960-85 ;2\time\charts\envi\environ.5
- National Air Pollutant Concentrations:1977-88 ;2\time\charts\envi\environ.6
- National Air Pollutant Emissions:1970-88 ;2\time\charts\envi\environ.7
- Air Pollutant Emissions--Pollutant & Source:1970-88 ;2\time\charts\envi\environ.8
- Municipal Solid Waste Generation/Recovery:1970-88 ;2\time\charts\envi\environ.9
- Generation/Recovery--Municipal Solid Waste:1970-88 ;2\time\charts\envi\environ.10
- Organic Pesticides--Production & Sales:1970-88 ;2\time\charts\envi\environ.11
- Threatened/Endangered Wildlife & Plant Species:1990 ;2\time\charts\envi\environ.12
- Air & Water Pollution Abatement Expenditures:1975-88 ;2\time\charts\envi\environ.13
- New Capital Expenditures--Pollution Abatement:1975-88 ;2\time\charts\envi\environ.14
- Tornadoes, Floods, & Tropical Cyclones:1966-89 ;2\time\charts\envi\environ.15
- Weather Highlights:1992 ;9
- United States ;2\time\charts\envi\wx92.001
- World ;2\time\charts\envi\wx92.002
- Tornadoes ;2\time\charts\envi\wx92.005
- Atlantic Hurricanes ;2\time\charts\envi\wx92.003
- Eastern Pacific Hurricanes ;2\time\charts\envi\wx92.004
- Weather Highlights:1991 ;9
- United States ;2\time\charts\envi\wx91.001
- World ;2\time\charts\envi\wx91.002
- Tornadoes ;2\time\charts\envi\wx91.003
- Atlantic Hurricanes ;2\time\charts\envi\wx91.004
- Eastern Pacific Hurricanes ;2\time\charts\envi\wx91.005
- Weather Highlights:1990 ;9
- United States ;2\time\charts\envi\wx90.1
- World ;2\time\charts\envi\wx90.2
- Hurricanes ;2\time\charts\envi\wx90.3
- Weather Highlights:1989 ;9
- United States ;2\time\charts\envi\wx89.1
- World ;2\time\charts\envi\wx89.2
- Hurricanes ;2\time\charts\envi\wx89.3
- Weather Highlights:1980's ;2\time\charts\envi\wx.1
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