Maps showing sea floor topography, sun-illuminated sea floor topography, and backcatter intensity of quadrangles 1&2 in the great south Channel region, Western Georges bank [electronic resource] : US geologic investiigations series map 1-2698. - US : US depart.of interior&US geolog. survey, 2002. - computer disk ; 3 1/2 in. - System requirements: IBM PC. - [MFN: 1508]

Summary: This CD-ROM contains sea floor maps and imagery collected during a multibeam echo sounder survey of great south Channel region in Nov,1998

C1.503 -

Sea floor image maps showing topography, Sun-illuminated topography, backscatter intensity, ruggedness, slope, and the distribution of boulder ridges and bedrock outcrops in the Stellwagen Bank national marine sanctuary region off Boston, Massachusetts [electronic resource] : U.S. geological survey scientific investigations map 2840 / U.S. department of the interior ; U.S. geological survey ; National oceanic and atmospheric administration ; ed. Page C. Valentine. - version 1.0. - 2005. - 1 DVD-ROM ; 12 cm.. - (USGS). - System requirements:UNIX, Macintosh, or windows platforms. - ISBN 0-607-96444-8[MFN: 2248]

UDC: 551.462(086.82)

• Valentine, Page C. (ed.); 
• U.S. department of the interior;  U.S. geological survey;  National oceanic and atmospheric administration; 

Subjects:
- ზღვის ფსკერის ტოპოგრაფია;

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