12703 – Visibility Monitoring

Investigator’s Annual Reports (IAR’s) for Crater Lake National Park

Visibility Monitoring


Report Number: 12703

Reporting Year: 1991

Permit Number: CRLA1991AADL

Current Status: Checked in

Date Received: Jan 01, 1998

Principal Investigator: John Core, Oregon Dept. of Environ. Quality, Air Quality Division, Portland, OR

Park-assigned Study Id. # CRLA1991AADL

Permit Expiration Date: Jan 01, 1998

Permit Start Date: Jan 01, 1998

Study Starting Date: Jan 01, 1986

Study Ending Date: Jan 01, 1998

Study Status: Completed

Activity Type: Other

Subject/Discipline: Air Quality

Objectives: N/A

Findings and Status:  N/A

For this study, were one or more specimens collected and removed from the park but not destroyed during analyses? No

Funding provided this reporting year by NPS: 12000

Funding provided this reporting year by other sources: 0

Full name of college or university:  n/a

Annual funding provided by NPS to university or college this reporting year: 0



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