TON

ALTERNATE NAME/NUMBER - 2477

75º 49' 31.707" S

114º 55' 49.522" W

1591.8 Meters

MARIE BYRD LAND CONTROL

Flood Range to Mount Murphy Area

1967-68 Season

Engineers: Jack Harry, Charles Henkle, Lenny Hill, Tom Taylor

Terrestrial survey network employing Wild T-2 theodolite for angular measurements and Electro-tapes for distance measurements.

DKM-3A used for astro measurements.

Located approximately 25 km E of summit of Toney Mountain at E end of Spitz Ridge on Nicholson Peak, monumented station.

Station mark - Standard USGS tablet set in boulder, stamped "TON 1967-68".

Surveyed on 19 January 1968.

Horizontal Datum - Position based on the Astronomic Position of Toney Astro determined during the 1967-68 Season.

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: 27 deg / Sun azimuth:78 deg

Click on image to view larger version

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 TMA1896-145V

Click on thumbnail to view larger version (299K jpg)

Local Chip

101 x 101 pixels

Centered on control point

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

Oblique (1)

from TMA1724-218R

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Oblique (2)

from TMA1980-64R

Click on thumbnail to view larger version (138K jpg)