Items

• 
  Demonstration of water cleanliness

  1973
• 
  Water treatment control panel

  1973
• 
  Water treatment reservoir

  1973
• 
  Control levers for water purification

  1973
• 
  Water treatment pool

  1973
• 
  Water being purified

  1973
• 
  Clean Water Sewage Treatment Plant

  1973
• 
  Forest Grove sewer plant

  1973
• 
  Dog skeleton at water site

  1973
• 
  Mattress in stagnant water

  1973
• 
  Rusted out car

  1973
• 
  Unidentified man fishing

  1973
• 
  Tualatin River

  1973
• 
  Two bikers

  1973
• 
  Road surrounding Hagg Lake

  1973
• 
  Horse in pasture

  1973
• 
  Northwest end of Scoggins Valley

  1973
• 
  Hiker at Scoggins Valley

  1973
• 
  Deer in Scoggins Valley

  1973
• 
  Hiking trail

  1973
• 
  Road in Scoggins Valley

  1973
• 
  Houses in Scoggins Valley

  1973
• 
  Patton Valley

  1973
• 
  Sheep by a river

  1973