91. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
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92. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
93. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
94. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
95. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
96. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
97. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
98. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
99. Kelp map
Rigg, George B. Frank K. Cameron in charge. Relief shown by formlines, hachures, bathymetry, and spot heights. Mapped jointly by George B. Rigg and W.C. Crandall. ... U.S. Geological Survey.
Geological Survey (U.S.) and Missouri, Bureau of Geology and Mines. Relief shown by contours and spot heights. "Contour interval 20 feet." Includes index to atlas sheets. U.S. Geological Survey.