Kalkar Quarry / Tres Ojos de Agua Resources

• Pond-related films, including Forgotten Creek, which tells the story of how Santa Cruz got its name
• See what lives in the Kalkar Open Space
• Forest Quarry (aka lower quarry) Status
• Information about birding in this area
• Article: Mineralogy of Kalkar Quarry
• View the Springtree Open Space Rules
• Podcast: Past & Present of Kalkar Quarry (Jan 2021)
• History:
  • 1925 Kalkar Quarry Land Purchase
  • Modern history of Quarry (article)
  • 1979 Fire in Kalkar Quarry
• Other websites:
  • Wikipedia's Rancho Tres Ojos de Agua
  • Tres Ojos de Agua website