Multibeam sonar bathymetry and backscatter data from the Gulf of Alaska collected during Langseth cruise MGL0814 (2008)

EM120 multibeam swath bathymetry data set collected in the Gulf of Alaska during Langseth cruise MGL0814 (2008) by co-chief scientists Sean Gulick, Gail Christeson and Beatrice Magnani. The data files are in MBSystem format and were acquired as part of the project called St. Elias Erosion/tectonics Project (STEEP). Funding was provided by NSF grant EAR04-08584.