NEAR Data Volume Structure

All PDS data volumes have this high-level directory structure:

aareadme.txt	This text file provides an overview of the data in the volume.
browse	This directory contains browse tools developed by NEAR scientists for specific scientific inquires. This directory may not be present.
calib	This directory contains files used to calibrate instrument data. This directory may not be present.
catalog	This directory contains PDS templates for the mission, instrument host, instrument and data sets.
data	This directory contains uncalibrated or calibrated instrument data.
document	This directory contains instrument documentation. It is included only on the first volume of a set of data. For example, only the first volume of MSI data for the Eros Orbit phase has a document directory.
eratta.txt	This text file describes data errors and anomalies.
geometry	This directory contains geometry files. It may include SPICE files. This directory may not be present.
index	This directory contains index tables describing times and key data file parameter values for this volume.
voldesc.cat	This text file describes the contents of the volume.