8,000 pages of Declassified Canadian UFO Documents

PAGE 2 RCWVC 20 UNCLAS H 0510Z UNTIL DAYBREAK J SOUND IS HIGH PITCHED DEEP 2 OR 3 TIMES PER SECOND AND CONTINUOUS ALL NIGHT K APPEARS TO BE IN OR ON A LARGE TREE L MR RUSSELL, PARK RANGER, CHOPPED DOWN TREE AND SOUND REAPPEARED 1000 YDS AWAY. NO BIRD VISIBLE. SOUND IS CONTINUOUS ALL NIGHT AND INCREASES IN TEMPO AFTER RIFLE SHOT. BIRD EXPERT DOES NOT RECOGNIZE SOUND AS ANY KNOWN BIRD. MR SMITH USUALLY AVAILABLE AT 0830 PDT ET 129 National Research Council of Canada/ RG 77, Vol: 306 Conseil national de recherches du Canada