1. US topo product standard : Chapter 2 of Section B, U.S. Geological Survey Standards Book 11, Collection and Delineation of Spatial Data Author/Creator: Davis, Larry R., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Edition: Version 2.0, February 2019. Access & Availability: Loading
2. Using ArcGIS tracking analyst Publication/Creation: Redlands, CA : ESRI, [2002] Format: Book Access & Availability: Loading