Digital Geologic-GIS Map of Mount Desert Island and Vicinity, Acadia National Park, Maine (NPS, GRD, GRI, ACAD, ACAD digital map) adapted from a Maine Geological Survey Bulletin map by Gilman and Chapman (1988), and Lowell and Borns (1988)

Metadata Updated: December 11, 2019

The Unpublished Digital Geologic-GIS Map of Mount Desert Island and Vicinity, Acadia National Park, Maine is composed of GIS data layers and GIS tables in a 10.1 file geodatabase (acad_geology.gdb), a 10.1 ArcMap (.mxd) map document (acad_geology.mxd), individual 10.1 layer (.lyr) files for each GIS data layer, an ancillary map information document (acad_geology.pdf) which contains source map unit descriptions, as well as other source map text, figures and tables, metadata in FGDC text (.txt) and FAQ (.pdf) formats, and a GIS readme file (acad_geology_gis_readme.pdf). Please read the acad_geology_gis_readme.pdf for information pertaining to the proper extraction of the file geodatabase and other map files. To request GIS data in ESRI 10.1 shapefile format contact Stephanie O'Meara (; see contact information below). The data is also available as a 2.2 KMZ/KML file for use in Google Earth, however, this format version of the map is limited in data layers presented and in access to GRI ancillary table information. Google Earth software is available for free at: Users are encouraged to only use the Google Earth data for basic visualization, and to use the GIS data for any type of data analysis or investigation. The data were completed as a component of the Geologic Resources Inventory (GRI) program, a National Park Service (NPS) Inventory and Monitoring (I&M) Division funded program that is administered by the NPS Geologic Resources Division (GRD). Source geologic maps and data used to complete this GRI digital dataset were provided by the following: Maine Geological Survey. Detailed information concerning the sources used and their contribution the GRI product are listed in the Source Citation section(s) of this metadata record (acad_geology_metadata.txt or acad_geology_metadata_faq.pdf). Users of this data are cautioned about the locational accuracy of features within this dataset. Based on the source map scale of 1:50,000 and United States National Map Accuracy Standards features are within (horizontally) 25.4 meters or 83.3 feet of their actual location as presented by this dataset. Users of this data should thus not assume the location of features is exactly where they are portrayed in Google Earth, ArcGIS or other software used to display this dataset. All GIS and ancillary tables were produced as per the NPS GRI Geology-GIS Geodatabase Data Model v. 2.3. (available at: The GIS data projection is NAD83, UTM Zone 19N, however, for the KML/KMZ format the data is projected upon export to WGS84 Geographic, the native coordinate system used by Google Earth. The data is within the area of interest of Acadia National Park.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date May 1, 2019
Metadata Updated Date December 11, 2019

Metadata Source

Harvested from DOI CKAN Harvest Source

Additional Metadata

Resource Type Dataset
Metadata Created Date May 1, 2019
Metadata Updated Date December 11, 2019
Publisher National Park Service
Unique Identifier NPS_DataStore_1045869
Maintainer Email
Public Access Level public
Bureau Code 010:24
Metadata Context
Metadata Catalog ID C:\Program Files (x86)\NPS\DataStore\Application\OpenData\NPS_DataStore_v1_1.json
Schema Version
Catalog Describedby
Data Quality true
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Harvest Object Id 36071038-5bd4-46f8-891d-c129f1f28d30
Harvest Source Id 34ce571b-cb98-4e0b-979f-30f9ecc452c5
Harvest Source Title DOI CKAN Harvest Source
Data First Published 2019-09-05
Homepage URL
Data Last Modified 2019-09-05
Program Code 010:118, 010:119
Related Documents ""
Source Datajson Identifier true
Source Hash ca78056ce92290602a4064d825c20d90a3a95916
Source Schema Version 1.1
Spatial -68.4595642,44.20657,-68.150444,44.4602165
Temporal 2019-09-05/2019-09-05
Category "Geospatial Dataset"

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