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Techniques and Methods 11-B2

The National Map

US Topo Product Standard

By Michael J. Cooley, Larry R. Davis, Kristin A. Fishburn, Helmut Lestinsky, and Laurence R. Moore

Thumbnail of and link to report PDF (31.9 MB) Abstract

This document defines a U.S. Geological Survey (USGS) digital topographic map. This map series, named “US Topo,” is modeled on what is referred to as the standard USGS 7.5-minute (1:24,000-scale) topographic map series that was created during the period from 1947 to approximately 1992. The US Topo map product has the same extent, scale, and general layout as the older standard topographic maps. However, unlike the previous maps, US Topo maps are published using Adobe Systems Inc. Portable Document Format (PDF) with a geospatial extension that is called Georeferenced PDF (GeoPDF), patented by TerraGo Technologies. In addition, the US Topo map products incorporate an orthorectified image along with data that was included in the standard 7.5-minute topographic maps. US Topo maps are intended to serve conventional map users by providing Geographic Information System (GIS) information in symbolized form in the customary topographic map layout. The maps are not intended for GIS analysis applications.

A full-size style sheet template in PDF that defines the placement of map elements, marginalia, and font sizes and styles accompanies this standard. The GeoPDF US Topo maps are fashioned to conform to this style sheet so that a user can print out a map at the 1:24,000-scale using the dimensions of the traditional standard 7.5-minute quadrangle. Symbology and type specifications for feature content are published separately. In addition, the GeoPDF design allows for custom printing, so that a user may zoom in and out, turn layers on and off, and view or print any combination of layers or any map portion at any desired scale.

First posted September 19, 2011

For additional information contact:
National Geospatial Technical Operations Center NGTOC
U.S. Geological Survey
Box 25046, Mail Stop 510
Denver Federal Center
Denver, Colorado 80225-0046

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.


Suggested citation:

Cooley, M.J., Davis, L.R., Fishburn, K.A., Lestinsky, Helmut, and Moore, L.R., 2011, US Topo Product Standard: U.S. Geological Survey Techniques and Methods 11–B2, 17 p. pamphlet, 1 sheet, scale 1:24,000.



Contents

Introduction

Background

Applicability

Maintenance

Product Overview

Digital File Organization

References

Glossary

Useful Websites

Acronyms

Appendix A: Notes and Discussion Issues

Appendix B: 1:24,000-Scale US Topo Style Sheet


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