00642cas|a2200169 i 450000500170000000800410001703500150005810000220007324500720009526000820016730000110024949000440026065000240030465000320032865000270036081000850038720260817162037.0160800s1985    us  u m rtt  00|  a1eng d  a.b100648371 aGuenther, Gary C.10aAirborne laser hydrography :bsystem design and performance factors  aRockville, Md. :bU.S. National Oceanic and Atmospheric Administration,c1985  a385 p.1 aNOAA professional paper series ;vno. 1 0aLasers in surveying 0aLaser communication systems 0aHydrographic surveying1 aUnited States.bNational Ocean Service.tNOAA professional paper series ;vno. 1