A3

ALTERNATE NAME/NUMBER - 233

77º 07' 54" S

125º 58' 01" W

2134 Meters

EXECUTIVE COMMITTEE RANGE CONTROL

1959-60 Season

Engineer: William H. Chapman

Intersected peak positions determined from primary traverse stations determined by solar position at M239.

Elevations determined by altimeter traverse based on Byrd Station elevation of 1530 meters

Wild T-2 used for angular measurements

Located in Marie Byrd Land at the S. end of the Executive Committee Range on the S. side of Mount Sidley on unnamed top, intersected station.

Survey mark - highest rock point

Horizontal Datum - Position based on solar observations at Mile 239.

Surveyed on January 1960.

Vertical Datum - Mean sea level

Image Views

FULL Scene (185 km x 185 km)

Landsat 5: LT5013115008635910

Path 013 Row 115 - 25 December 1986

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

Sun elev: 26 deg / Sun azimuth: 82 deg

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B&W: 276K 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 (1.4MB 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

No vertical photography available

Oblique (1)

from TMA 571-09L

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Oblique (2)

from TMA 582-42R

Click on thumbnail to view larger version (161K jpg)