Browse Items (2 total)

• 

  Classroom scene, 1949

  Martin County High School senior classroom. The students are seated at desks and appear to be writing or taking an exam.

  Tags Classrooms, Students, Testing
• 

  Wastewater processing, 1974

  A man observes water testing at the Indiantown wastewater treatment plant.

  Tags Public utility companies, Testing, Waste disposal facilities