Endeavour segment ISS (Integrated Study Site) high-resolution map of the location of analyzed basalt samples

**This is a new version of a previously submitted dataset.** The map shows the location of >300 basalt samples for which chemical analyses also are available. The samples were collected by submersible, the bathymetry is at <1m resolution, and the sample locations and bathymetry have been reconciled to <10m accuracy. Photographs of samples and their locations are available at MBARI.