D5

ALTERNATE NAME/NUMBER -721

75º 48' 09" S

114º 42' 50" W

1265 Meters

BYRD STATION TRAVERSE

1959-60 Season

Engineer: William H. Chapman

Intersected peak positions determined from primary traverse stations determined by solar position at M258. (Adjusted to Marie Byrd Land Electronic Traverse of 1966-67-68)

Elevations determined by altimeter traverse based on Byrd Station elevation of 1530 meters. (The altimetry elevations have been adjusted to agree with the elevations determined from the Marie Byrd Land Electronic Traverse of 1966-67-68).

Wild T-2 used for angular measurements

Located approximately 31 km E of summit of Toney Mountain on west most nunatak of Gillett Nunataks, intersected station.

Station mark - highest point of plug on top of nunatak

Surveyed 1959-60.

Horizontal Datum - Position based on the Astronomic Position of M258 (Adjusted to Marie Byrd Land Electronic Traverse of 1966-67-68).

Vertical Datum - Mean sea level.

Image Views

FULL Scene (185 km x 185 km)

Landsat 4: LT4008113008800210

Path 008 Row 114 - 02 January 1988

Quad map outlined in red. Up in image is roughly 35 degrees True.

Sun elev: 27deg / Sun azimuth:78 deg

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B&W: 207K 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 (506K 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 TMA1980-63V

Click on thumbnail to view larger version (230K jpg)

Local Chip

101 x 101 pixels

Centered on control point

Click on image to download uncompressed version (46K tif file)

Oblique

from TMA582-019L

Click on thumbnail to view larger version (184K jpg)