285 

 G ll^.OS GIBRALTAR NO. 1 (Gibraltar Lake) 



LOCATION: 59°l4'U8" N. 15i+°38'30" W. 



PREVIOUS NAMES OR NUMBERS: None 



U.S.G.S. MAP: Iliamna, 1:250; Iliamna B-5, 1:63,360 



PHYSICAL DESCRIPTION 



LENGTH UTILIZED: 1,000 '-1,500 ' 



AVERAGE WIDTH: 150'-200' RANGE: 100'-250' 



TOTAL ACCESSIBLE SPAWNING AREA: 



POTENTIAL SPAWNING AREA: 



SPAWNING AREA UTILIZED: 33,778 square yards 



BOTTOM QUALITY: Bottom 3"-12" rock to depth of 20', smaller rock, some 

 sediments beyond 20 ' . 



TOPOGRAPHY: Adjacent terrain, low rolling hills. 



AIR TEMPERATURE: 



WATER TEMPERATURE: 



