• The story “Sahuarita school gets grant for AP studies” on Page A2 on April 15 should have said that Walden Grove High School, in the Sahuarita Unified School District, also will participate in the National Math and Science Initiative program, along with Sahuarita High School.
  • In a headline on Page A7 Tuesday, the name of a Tucson-based mining technology company, Mintec Inc., was misspelled.

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