National Cooperative Geologic Mapping Program

Multimedia

Filter Total Items: 10
March 22, 2021

Getting Started With GeMS, Part A

Getting Started With GeMS, Part A - An introduction to the GeMS schema, the GeMS Tools ArcGIS toolbox, and how to prepare ArcMap for digitizing.

The Geologic Map Schema (GeMS) defines a standard database schema — a database design — for digital publication of geologic maps. This tutorial is one of six

March 22, 2021

Digitize an Analog Map With GeMS, Part B1

Digitize an Analog Map With GeMS, Part B1 - How to create an empty GeMS geodatabase in ArcMap, digitize contacts from a scanned geologic map, and create map unit polygons.

The Geologic Map Schema (GeMS) defines a standard database schema — a database design — for digital publication of geologic maps. This

March 22, 2021

Digitize an Analog Map With GeMS, Part B2

Digitize an Analog Map With GeMS, Part B2 - Digitize orientation points and check topology.

The Geologic Map Schema (GeMS) defines a standard database schema — a database design — for digital publication of geologic maps. This tutorial is one of six originally presented as part of a short course at the 2021

March 22, 2021

Digitize an Analog Map With GeMS, Part B3

Digitize an Analog Map With GeMS, Part B3 - How to complete nonspatial tables, validate a GeMS database, and symbolize features.

The Geologic Map Schema (GeMS) defines a standard database schema — a database design — for digital publication of geologic maps. This tutorial is one of six originally presented as

March 22, 2021

Translate a Digital Map With GeMS, Part C1

Translate a Digital Map With GeMS, Part C1 - How to load map unit polygons, lines, and cross section data from another schema to GeMS.

The Geologic Map Schema (GeMS) defines a standard database schema — a database design — for digital publication of geologic maps. This tutorial is one of six originally

March 22, 2021

Translate a Digital Map With GeMS, Part C2

Translate a Digital Map With GeMS, Part C2 - How to translate point features and non-spatial information from another schema to GeMS

The Geologic Map Schema (GeMS) defines a standard database schema — a database design — for digital publication of geologic maps. This tutorial is one of six originally

June 1, 2017

TopoView - A look at version 2.1

A tutorial by USGS scientist and topoView developer Chris Garrity demonstrating how to use topoView version 2.1. TopoView let's you access and download maps free of charge from the USGS's Historical Topographic Map Collection, published between 1884 and 2006. 

Resources:
An Introduction to TopoView (version 1.0)

image of student intern on a ridge with geographic equipment
June 17, 2009

Student intern in the field.

OLYMPUS DIGITAL CAMERA

USGS
April 24, 2018

Historical Comparison of the National Geologic Mapping Act

Comparison of changes throughout the history of the National Geologic Mapping Act and reauthorizations.

USGS
May 2, 2018

Statemap Awards 1993-2012

Statemap Awards 1993-2012