Describes the process for (1) making a selection of records from an attribute table and (2) making a subset of the particular selection. Also explains how to create a new shapefile from an 'in-memory' selection using ArcGIS 9.3.1. Lecture review tutorial videos from Hunter College and Mount Sinai School of Medicine (NYC) GIS in Public Health (PH 770.07), and (MPH-0005).