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NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Catalog of Images

1100 thumbnail picture
Side scan sonar record of debris on seafloor.
1991 ca.
1101 thumbnail picture
Planning chart showing location of side scan sonar targets and various AWOIS items for investigation.
1102 thumbnail picture
Single beam sounding system depth record of obstruction.
1103 thumbnail picture
Single beam sounding system depth record of obstruction identified as wreck in Buzzard's Bay area.
1104 thumbnail picture
Portion of hydrographic survey smooth sheet showing rock with least depth.
1105 thumbnail picture
Hydrographic survey sheet showing location of grounding of QE2 in Martha's Vineyard with track of ship.
1106 thumbnail picture
Single beam sounding system depth record of obstruction with surveyor's annotations such as LTRA (Line turns right about), LR (Line resumes), 180 T ( course of surveying vessel), etc.
1107 thumbnail picture
Side scan sonar record of obstruction on seafloor. White area is shadow zone. Amorphous nature of dark area would indicate probable natural object vs man-made debris.
1108 thumbnail picture
Side scan sonar image of wreck on seafloor.
1109 thumbnail picture
Side scan sonar image of what appears to be two aircraft on seafloor.
1989
1110 thumbnail picture
Just thought we'd fool you. Side of ship showing plimsoll lines as well as texture reminiscent of side scan sonar record.
1111 thumbnail picture
Side scan sonar image of possible shipwreck above center line. Large linear black reflection with white area of shadow zone.
1112 thumbnail picture
Side scan sonar image apparently of vessel.
1113 thumbnail picture
Side scan sonar image apparently of vessel.
1114 thumbnail picture
Side scan sonar image apparently of vessel.
1115 thumbnail picture
Side scan sonar image of debris on seafloor.
1116 thumbnail picture
Side scan sonar image of vessel.
1117 thumbnail picture
Side scan sonar image apparently of vessel with large shadow area.
1118 thumbnail picture
Side scan sonar image apparently of vessel.
1119 thumbnail picture
Side scan sonar image of debris on seafloor.
1120 thumbnail picture
Side scan sonar image of debris on seafloor.
1121 thumbnail picture
Side scan sonar image apparently of vessel.
1122 thumbnail picture
Side scan sonar image apparently of vessel.
1123 thumbnail picture
Side scan sonar image of what might be a large boulder.
1124 thumbnail picture
Side scan sonar image
1125 thumbnail picture
Side scan sonar image
1126 thumbnail picture
Single beam sounding system depth record of obstruction with surveyor's annotations such as LE (Line ends), LB (Line breaks), O/C 090 (on course 090), etc.
1127 thumbnail picture
Single beam sounding system depth record of obstruction with surveyor's annotations such as LE (Line ends), XL (Cross-line), etc.
1128 thumbnail picture
Side scan sonar image corrupted by strong thermocline in water column.
1129 thumbnail picture
Side scan sonar image corrupted by strong thermocline in water column.
1130 thumbnail picture
Side scan sonar image of small object on seafloor.
1131 thumbnail picture
Side scan sonar image possibly of barge on seafloor.
1132 thumbnail picture
Side scan sonar image demonstrating recorder problem.
1133 thumbnail picture
Side scan sonar image showing debris on seafloor but having very little vertical expression. For charting purposes such a target can be insignificant. For archaeological work, such a target could be the sought for object.
1134 thumbnail picture
Side scan sonar image showing debris on seafloor but having very little vertical expression. For charting purposes such a target can be insignificant. For archaeological work, such a target could be the sought for object.
1135 thumbnail picture
Side scan sonar image
1136 thumbnail picture
Side scan sonar image of vessel on seafloor.
1137 thumbnail picture
Side scan sonar image of vessel on seafloor.
1138 thumbnail picture
Side scan sonar image of possible natural feature with scour marks surrounding.
1139 thumbnail picture
Side scan sonar image of a pile of coal dumped on the seafloor.
1140 thumbnail picture
Side scan sonar image of some sort of man-made debris.
1141 thumbnail picture
Side scan sonar image of biological noise in the water column caused by dolphins .
1142 thumbnail picture
Side scan sonar image
1143 thumbnail picture
Side scan sonar image
1144 thumbnail picture
Side scan sonar image of vessel on seafloor.
1145 thumbnail picture
Side scan sonar image
1146 thumbnail picture
Side scan sonar image
1147 thumbnail picture
Side scan sonar image of vessel on seafloor.
1148 thumbnail picture
Side scan sonar image of vessel on seafloor.
1149 thumbnail picture
Side scan sonar image

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Last Updated:
May 12, 2014