Survey number: AK01 (Pat Hill number) Name: Western Brooks Range Survey Date flown: 1958 Company: Aeroservice Flight specs: profiles, 6.5 mi spacing, N-S, 5000 ft barometric, datum unknown Digital data source: from computer cards found by Bob Morin, USGS, Menlo Park History: This survey was flown as a speculative venture by AeroService. Dave Barnes, USGS, purchased the data originally. Publication: USGS Open-file report 77-166E Data format: Flightline number Longitude Latitude Total field anomaly, datum unknown Total field Height above terrain (meters) (all zero - no data) Barometric altitude (meters) (all zero - no data) Fiducial number Year and dat (YYMMDD.0) (all zero - no data) Fortran format: (a8,f10.4,f9.4,f8.2,f9.2,3f8.2,f11.3)