|Information unavailable from original metadata.||ESRI|
|Information unavailable from original metadata.||Identification of cruise and line in the format a75_625Ab_1, where a75_6 signifies the cruise on the R/V Asterias in 1975, during June (6); line 25A, section b, SEG-Y segment _1 (when split because of belt changes).|
|Information unavailable from original metadata.||Dates are in the following format: m-dd-yyyy|
This GIS layer contains the ship-track navigation collected aboard the R/V Asterias during a 1975 geophysical cruise in eastern Rhode Island Sound. It contains navigation for the SEG-Y files created from analog records of data collected on the cruise. It is part of a digital version of a regional map showing the distribution of sub-bottom seismic profiles collected in Rhode Island Sound. The seismic data collected along these ship tracks can be used to provide useful information about the framework geology in this region. This data combined with the shot point navigation shapefile can be used to spatially correlate the SEG-Y and PNG files with other features in the GIS.
Are there legal restrictions on access or use of the data?
Use_Constraints:Public domain data are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey as the originator of this dataset.
Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
|Data format:||The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBase format. The PRJ file contains the coordinate system information. The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set <data set name>.shp.xml. Three other forms of the metadata are also available: FGDC html, FAQ html, and ASCII text. In addition a browse graphic showing the data layer coverage and extent is included. in format SHP (version ArcGIS 9.2) ESRI Shapefile Size: 0.2|
|Media you can order:||DVD-ROM (Density 4.75 Gbytes) (format UDF)|
The WinZip 9.0 file contains data available in Environmental Systems Research Institute (ESRI) shapefile format. The user must be able to uncompress the zip file and have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing the data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.