National Radio Astronomy Observatory
Site Studies
Atacama Large Millimeter Array/US

Maps of the Chajnantor Zone

Topographic Maps

Produced from aerial photographs

area scale size [km2] UTM boundaries [km] contour interval formats date notes
W E S N
Science Preserve
and Western Approach		 (1:50 000) 52 × 35 590 642 7435 7470 10 m dwg, pdf 2002 February 1, 6
Southwestern Approach (1:50 000) 45 × 17 590 635 7435 7452 10 m dwg, pdf 2001 November 1, 5
Science Preserve
and Western Approach		 (1:50 000) 52 × 24 590 642 7446 7470 10 m dwg, pdf 2001 July 1, 2
Science Preserve (1:50 000) 18 × 19 624 642 7446 7465 10 m dwg, pdf 1999 1, 3
3 m dwg, pdf
Chajnantor (1:10 000) 7 × 9 626 633 7447 7456 10 m dwg, pdf 1996 1, 4
10 m (smooth) dwg, pdf
3 m dwg, pdf
3 m (smooth) dwg, pdf
5 × 5 627 632 7450.4 7455.6 2 m dwg, pdf
2 m (smooth) dwg, pdf
Pampa la Bola (1:10 000) 7 × 9 km 629 636 7456 7465 10 m dwg, pdf 1996 1, 4
10 m (smooth) dwg, pdf
3 m dwg, pdf
3 m (smooth) dwg, pdf
5 × 5 631 636 7457 7462 2 m dwg, pdf
2 m (smooth) dwg, pdf

Notes

  1. Produced from aerial photographs by McLain Aerial, Tucson, for NRAO, NRO, and ESO.
  2. Excludes 13 × 5 km NE corner and 34 × 6.5 km SW corner
  3. Excludes 5 × 7 km NW corner
  4. For description and perspective views, see also MMA Memo 160
  5. Excludes 11 × 6 km NE corner
  6. Excludes 13 × 5 km NE corner and 7 × 11 km SE corner

Digitized from published maps

area scale size boundaries contour interval formats notes
W E S N
Putana (1:50 000) 15' × 15' 68° 00' 67° 45' 22° 45' 22° 30' 50 m dwg, pdf 1
San Pedro de Atacama (1:50 000) 15' × 15' 68° 15' 68° 00' 23° 00' 22° 45' 50 m dwg, pdf 1
Chajnantor (1:50 000) 30' × 30' 68° 00' 67° 30' 23° 15' 22° 45' 50 m dwg, pdf 1
Chajnantor (1:50 000) 26 × 28 km 615 km 641 km 7442 km 7470 km 50 m dwg, pdf 1
Zona Chajnantor (1:80 000) 51 × 51 km 602 km 654 km 7432 km 7484 km 25 m pdf 2
100 m pdf

Notes

  1. Digitized in 1999-2000 by Prof. Luis Araya, of the Departamento Ingeniería en Geomensura, Universidad de Antofagasta, from maps published by the Instituto Geográphico Militar de Chile.
  2. Digitized in 2001 by Sistemas Gráficos, Geográficos, y Mineros Ltda., Antofagasta, from maps published by the Instituto Geográphico Militar de Chile.

Digital Elevation Models

area size [km2] UTM boundaries [m] pixel formats notes
W E S N
Science Preserve
and Western Approach		 52.5 × 24.5 589 800 642 260 7445 700 7470 170 10 m FITS.gz 1, 2
19.6 × 17.8 589 800 609 430 7452 400 7470 170 10 m FITS.gz 1
19.6 × 17.8 609 390 628 980 7452 400 7470 170 10 m FITS.gz
18.4 × 19.5 623 830 642 260 7445 700 7465 190 10 m FITS.gz
Science Preserve Ctr
and Western Approach		 5 × 5 626 000 631 000 745 100 745 600 5 m FITS.gz 1
Science Preserve 18.5 × 19.5 623 820 642 260 7445 700 7465 190 10 m FITS.gz 1, 3
Chajnantor 9 × 10 624 785 633 485 7446 435 7456 535 10 m FITS.gz 1, 4
Pampa la Bola 9 × 11 627 555 636 555 7454 305 7465 405 10 m FITS.gz
Chajnantor and
Pampa la Bola		 12 × 19 624 785 636 585 7446 435 7465 435 10 m FITS.gz 4, 5
Chascon 21 × 19 619 240 639 880 7446 430 7465 310 20 m FITS.gz 4, 6
619 214 639 854 7446 400 7465 280 80 m FITS.gz
Zona Chajnantor 51 × 51 602 220 653 970 7432 200 7483 700 250 m FITS.gz 7
50 m FITS.gz

Notes

  1. Produced in 1996-2001 from aerial photographs by McLain Aerial, Tucson, for NRAO, NRO, and ESO.
  2. Excludes 13 × 5 km NE corner and 34 × 6.5 km SW corner
  3. Excludes 5 × 7 km NW corner
  4. For description and perspective views, see also MMA Memo 160
  5. Combination of smaller maps.
  6. Combination of smaller maps augmented by (hand) measurements from (paper) topographic maps.
  7. Digitized in 2001 by Sistemas Gráficos, Geográficos, y Mineros Ltda., Antofagasta, from maps published by the Instituto Geográphico Militar de Chile.

Concept Maps

ALMA Concept for workshop at 1999 URSI General Assembly
1999 August 10 [pdf, dwg]
MMA Concept, US reference project
1999 June 25 [pdf, dwg]
CONICYT Science Preserve
1999 February 11, with schematic MMA layout and approximate pipeline route [pdf or zip archive of dwg and support files]
MMA Concept with schematic layout for pipeline planning
1998 June 1, with approximate pipeline route [pdf]
MMA Concept
1996 June 6 [pdf, dwg]

Published Maps and Source Data

Tactical Pilotage Charts (1:500 000; Index [pdf])
published by the U. S. National Imagery and Mapping Agency (formerly Defense Mapping Agency) and available for sale from the NOAA Office of Aeronautical Charting and Cartography.
Topographic maps (1:500 000, 1:250 000, or 1:50 000; Index [pdf])
published by the Instituto Geográphico Militar de Chile
Aerial photographs (1:50 000; Index)
available from the Servicio Aero Fotogramétrico de la Fuerza Aérea de Chile
Not all links are active. Formats online: acrobat (pdf), autocad (dwg), fits image (FITS), compressed archive (zip or gz). Other formats may be available on request.
Last modified 2002 March 1
Simon Radford