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  1. National Geospatial Advisory Committee holds December 2018 meeting

    The National Geospatial Advisory Committee (NGAC) held their final meeting of the year on December 6, 2018 via teleconference.  The full report of the meeting is available on the NGAC website.  The NGAC is a Federal Advisory Committee that reports to the Federal Geographic Data Committee (FGDC).  Our role is to provide advice and recommendations related to the national geospatial program and the development of the National Spatial Data Infrastructure (NSDI). The group spent a good portion of the meeting being briefed by Ivan DeLoatch and John Mahoney on the FGDC's implementation approach of the Geospatial Data Act.  The Geospatial Data Act (GDA) was signed on October 5, 2018 as part of the FAA Reauthorization Act.  The GDA codifies the roles and responsibilities of the FGDC and the NGAC.  It establishes requirements for the National Spatial Data Infrastructure (NSDI) and the NSDI strategic plan, the National Geospatial Data Asset Data themes, geospatial data standards, the GeoPlatform, and covered Agency planning and reporting requirements.  The FGDC has established a Tiger Team to begin working on the analysis and interpretation of the GDA to identify its impacts and requirements.  The team will also develop an implementation strategy.  Members of the NGAC agreed to serve on an ad-hoc committee to review initial work of the Tiger Team and will report back to the Team before their next meeting in January.  We expect to establish longer-term subcommittees in the new year who will help advise the Tiger Team and the FGDC on the Act.  Tim Petty, Assistant Secretary for Water and Science, spoke to the group and encouraged the members to deeply engage with the FGDC and the Tiger Team to ensure they are on the right path and to look for things they may have missed.  He noted that the potential exists to update laws to match the technology of the 21st century.   The four subcommittees gave status reports on the progress of their work.  The Data as a Service Subcommittee is in the final stages of editing on their paper, Geospatial Data as a Service Use Cases.  We expect the paper to be released early in January.  The Geospatial Technology and Infrastructure Subcommittee continues to work on their best practices paper, which they expect to finish in the first quarter of 2018.  The Cultural & Historical Resources Subcommittee is analyzing the results of their survey and have a report in draft stage.  The Landsat Advisory Committee is working on their cost sharing paper and are awaiting results of the US Geological Survey study, which they expect to receive in the few months.   The NGAC is scheduled to meet in person three times in 2019.  The dates are: March 26-27, June 11-12, and September 4-5.  

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  2. Introduction to The Geospatial Data Abstraction Library (GDAL/OGR)

    The Geospatial Data Abstraction Library (GDAL/OGR) is an open-source translator library for working with geospatial data. GDAL/OGR contains a variety of useful command line utilities that can be easier or more efficient to use than standalone GIS software or rolling your own code. In this workshop you will learn how to use GDAL to: Inspect and query datasets Convert data between different formats Update and transform spatial reference systems (projections) Clip and subset data Create tile indexes and mosaics This workshop will be held online via Zoom.

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  3. National Geospatial Advisory Committee meets in Washington

    The National Geospatial Advisory Committee (NGAC) met in Washington, DC on June 9-10, 2015.  The full report of the meeting including the powerpoints from the subcommittees and lightning sessions are available on the NGAC Website.  The NGAC is a Federal Advisory Committee that reports to the Federal Geographic Data Committee (FGDC).  Our role is to provide advice and recommendations related to the national geospatial program and the development of the National Spatial Data Infrastructure. The group started out the meeting by discussing what's trending in geospatial these days.  We noted that geospatial data are becoming much more tailored to the consumer and that people now expect it to be a part of how we live our lives each day.  We carry maps in our pockets on our phones, we track where we run, we tag interesting places, and we georeference maps while waiting for the bus.  Privacy concerns are never far from our thoughts be it with the availability of location addressing or the concerns about how drones will be used.  We also noted that technology is making it easier to teach people about geospatial concepts and technologies at a earlier stage in their educational life.  Geospatial information and tools are ubiquitous leading one member of the group to say, "We may not be special anymore, but we're still spatial!"  Jennifer Gimbel, the Principal Deputy Assistant Secretary for Water and Science, asked the NGAC to develop a set of recommendations that the work that should be done by the FGDC in the next 18 months prior to the change in administration.  The group recommended the following: 1. Data Initiatives National Address Database: Develop and implement approach for a National Address Database.  Ensure governance & funding models meet needs of major stakeholders. 3D Elevation Program: Make significant advancements in the 3DEP initiative.  Secure funding commitments for enhancement and institutionalization of the program. 2. Communications Strategy Finalize and implement national communications strategy for NSDI and Geospatial Platform. Seek input and engagement from NGAC and non-Federal partners in developing goals, messages and approaches Develop a variety of effective and adaptable tools - videos, social media, web presence, etc. 3. Geospatial Platform Make significant advancements to further develop and institutionalize the Geospatial Platform. Continue to collaborate with external partners on communities, shared services, etc. 4. Transition Strategy FGDC work with NGAC to develop options/proposals for next Administration May include strategic approaches - new strategic plans for NSDI, National Map, etc. May include new programmatic and partnership approaches. A National Address Database Summit Meeting was held on April 8-9, 2015 with 58 participants and 25 observers including federal, state, local, tribal, private, non-profit, and trade organizations.  The goal was to identify and discuss possible options for developing a National Address Database.  The Summit was recapped in two blog posts, one by the National States Geographic Information Council (NSGIC), who stated that the objective was doable and that the United States is well underway to sustain this effort.  All presentations and reports are on the main website for the Summit Meeting. The Crowdsourced Data Subcommittee convened a spotlight session on crowdsourced data.  Alex Barth from OpenStreetMap (OSM) gave an overview of OSM.  Two Presidential Innovation Fellows spoke - Lea Shanley at NASA on citizen science and Mikel Maron at the State Department on OSM for government.  Interesting projects that were discussed included: MapGive, an initiative of the U.S. Department of State's Humanitarian Information Unit, that allows volunteers to learn to map and then get involved in online tasks such as mapping parts of Nepal, Liberia, and Malawi. TeachOSM, an online resource to help educators introduce people to open source mapping using OpenStreetMap. Nature's Notebook, a project that allows the general public to submit observational record of plants and animals.  In 2014 volunteers recorded more than one million observations. The NGAC continues to follow the Geospatial Data Reform Act in the Senate sponsored by Mark R. Warner (D-VA) and Orrin Hatch (R-UT) "to improve oversight and reduce duplication in the management of geospatial data."  The bill is now in committee. The next meeting of the NGAC will be in September 2015 in Shepherdstown, West Virginia.  

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Digital showcases for research and teaching.
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Geospatial content, including GIS datasets, digitized maps, and census data.
  1. Mosaic of Des Plaines Watershed, IL/WI - TerraSource Orthorectified Imagery, 2000

    Illinois State Geological Survey and ImageAmerica

    Note: The original metadata file was written by ImageAmerica. There are a few additions by ISGS required for archival and access in the Survey's en...

  2. Bedrock Geology: Illinois, 2005

    Illinois State Geological Survey

    This feature dataset shows the distribution and extent of the bedrock geologic units within the State of Illinois, as depicted on the map Bedrock G...

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