ocr: COMPILEDBYTHE .S. - CBOLOSIONLEURVEY FORTHE NATIONAL. AERON J JTCS AND SPACE AL - - HAUIO - - MARS DIGITAL IMAGE MAP VOLUME 4: ELYSIUM PLANITIA REGION (LAT 47.5° Nto47.5° S, LONG 180° W to 270° W) DATA CONTENTS: MAGE FILESAT 1/256 (231 1) PERPIX 1/64"( (925 E F PIXEL, DIGITIZEDA AIRBRUSHI IMAGE MAP 1/16° (3.69 KM) PERPIXEL, AND T. (14. 77KMPERF PIXEL GAZETIEER OF FEATURE NAMES. CONFORMSTOI PDSSTANDARDS USA_NASA PDS_VO_2004 CDRM 704100