Contrasting HTML keywords with index terms

URL: http://toxics.usgs.gov/topics/attenuation.html

  natural attenuation, New Jersey, NJ, Massachusetts, MA,
  Minnesota, MN, Oklahoma, OK, Arizona, AZ, South Carolina,
  SC, New Hampshire, NH, Nevada, NV, Colorado, CO, ground
  water, landfill, organic, contaminant, contaminated,
  environmental, environment, MTBE, Norman, oil,
  remediation, solvents, biodegradation, biogeochemical,
  ecology, gasoline, molecular, sewage, subsurface,
  surface, transport, watershed, Amargosa Desert, aquatic,
  Arkansas River, bacteria, Beatty, Bemidji, biodegrade,
  bioremediation, characterization, chlorinated,
  contamination, crude oil, degradation, degrade, effluent,
  fractured, Galloway, geochemical, hydrocarbons,
  hydrologic, immiscible, Laurel Bay, leachate, microbial,
  microbiology, mining, Mirror Lake, modeling, Osage,
  oxygenated, petroleum, Pinal Creek, radioactive,
  Skiatook, wastes, adsorption, air, aquifer, atmosphere,
  BIOMOC, brines, Cape Cod, chloroethenes, fuel, pollution,
  West Trenton, USGS, U.S. Geological Survey, Toxic
  Substances Hydrology Program, Toxics

[All meta tags]

Arranged by facet:

Topic:
  natural attenuation, ground water, landfill, organic,
  contaminant, contaminated, environmental, environment,
  MTBE, oil, solvents, biodegradation, biogeochemical,
  gasoline, molecular, sewage, subsurface, surface,
  transport, watershed, aquatic, bacteria, biodegrade,
  chlorinated, contamination, crude oil, degradation,
  degrade, effluent, fractured, hydrocarbons, immiscible,
  leachate, microbial, mining, oxygenated, petroleum,
  radioactive, wastes, adsorption, air, aquifer,
  atmosphere, BIOMOC, brines, chloroethenes, fuel,
  pollution, Toxics

Sciences:
  ecology, microbiology, hydrologic, modeling, geochemical,

Method:
  remediation, bioremediation, characterization,

Place:
  New Jersey, NJ, Massachusetts, MA, Minnesota, MN,
  Oklahoma, OK, Arizona, AZ, South Carolina, SC,
  New Hampshire, NH, Nevada, NV, Colorado, CO, Norman,
  Amargosa Desert, Arkansas River, Laurel Bay, Mirror Lake,
  Osage, Pinal Creek, Skiatook, Cape Cod, West Trenton,

People:
  Beatty, Bemidji, Galloway,

USGS:
  USGS, U.S. Geological Survey,
  Toxic Substances Hydrology Program,