MARGARET
ALTERNATE NAME/NUMBER - 2608/T13
74º 06' 59.553" S
103º 18' 36.597" W
116.4 Meters
THURSTON ISLAND - JONES MOUNTAIN CONTROL
1968-69 Season
Engineers: Klaus Anderson, Frederick Brownsworth, Jr.,
Karl Eissinger, Charles Morrison, and Ronald Todd
Terrestrial survey network employing Wild T-2 theodolite
for angular measurements and Electro-tapes for distance measurements.
DKM-3A used for astro measurements.
74º 07' 12" S
103º 17' 41" W
Meters
USCGS Polar Sea, Pine Island Bay
Expedition
26 February-06 March, 1992
Engineers: Jon C. Campbell, Frank
J. Kenny, and Gordon H. Shupe
GPS survey to establish mapping control
stations and to occupy selected existing USGS monumeted control stations.
Data has not been differentially post-process to obtain precise coordinates.
Located in Amundsen Sea just outside the entrance to Cranton Bay off
the SW tip of Cantisteo Peninsula on the NE most island in the Brownston
Islands, monumented station.
Survey mark -Standard USGS tablet set in drill hole in rock outcrop
on the highest point on the west most of two rock outcrops, stamped "MARGARET
1968-69".
Surveyed on 19 December 1968./ GPS Survey on 02
February 1992
Horizontal Datum - Position based on the Astronomic Position of Camp
II determined during the 1968-69 Season. / GPS - WGS-84
pseudorange point position/ Estimated accuracy: +/- 100 meters. Data has
not been differentially post-process to obtain precise coordinates.
Vertical Datum - Mean sea level / GPS None
Image Views
FULL Scene
(185 km x 185 km)
Landsat 5: LT5003113009707910
Path 003 Row 113 - 20 March 1997
Quad map outlined in red. Up in image is roughly 35 degrees True.
Sun elev: 05º / Sun azimuth: 69º
Click on image to view larger version
B&W: 506K jpeg (12 pixels/inch)
Regional View
28 km x 28 km (701 x 701 pixels)
Box indicates position of local chip
Click on image to download uncompressed version (1.4 MB tif file)
Local Chip
2.5 km x 2.5 km (69 x 69 pixels)
Centered on control point pixel
Click on image to download uncompressed version (46K tif file)
Aerial photos
Vertical
from TMA 2415-020V
approx 4 km x 4 km
Click on thumbnail to view larger version (115K jpg)
Local Chip
101 x 101 pixels
Centered on control point
Click on image to download uncompressed version (46K tif file)
Oblique (1)
from TMA 1900-55R
Click on thumbnail to view larger version (161K jpg)
Oblique (2)
from TMA 1901-153L
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Oblique (3)
from TMA 1902-277L
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Oblique (4)
from TMA 1987-109L
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Hand Held Helicopter and Ground Photography - Pine Island Bay Expedition
1992
Hand Held Photography Oblique
from Margaret - 2V
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Hand Held Photography Oblique
from Margaret-1ob
Click on thumbnail to view larger version (184K jpg)
FULL Scene
(185 km x 185 km)
