Mauna Loa, Hawaii Observatory
1966 - MLO's 10th Anniversary

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On December 4, 1966, Mauna Loa Observatory and the High Altitude Observatory (HAO) had an open house for the public in celebration of MLO's 10th anniversary and HAO's first year anniversary.

View from HAO
view of HAo

HAO's first open house

 first open house of hao's

View of the parking lot

 view of parking lot

Anniversary cake

 anniversary cake