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Search indexed USGS publications on groundwater, aquifers, geologic maps, mineral resources and earthquakes. Explore source records by subject and place.

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At least 19 recordsLinked to original sources
USGS1973

Interagency Report: Astrogeology 58, television cartography

The purpose of this paper is to illustrate the processing of digital television pictures into base maps. In this context, a base map is defined as a pictorial representation of planetary surface morphology accurately reproduced on standard map projections. Topographic contour lines, albedo or geologic overprints may be super imposed on these base maps. The compilation of geodetic map controls, the techniques of mosaic compilation, computer processing and airbrush enhancement, and the compilation of con tour lines are discussed elsewhere by the originators of these techniques. A bibliography of applicable literature is included for readers interested in more detailed discussions.

Open-File Report↗
USGS1973

Preliminary catalog of pictures taken on the lunar surface during the Apollo 17 mission

This is a catalog of all pictures taken from the lunar module or the lunar surface during the Apollo 17 lunar stay with electric Hasselblad cameras on 70 mm film. Pictures taken from lunar orbit are not listed in the tabulations. The tabulations are arranged for the following specific uses: 1) given the number of a particular frame, find its location in the sequence of lunar surface activity, the station from which it was taken and the subject matter of the picture (table 3). 2-) given a particular location or activity within the sequence of lunar surface activity, find the pictures taken at that time and their subject matter (table 2). 3) Information concerning coverage with the 500 mm camera is given in figures 1 and 2. Film usage statistics are contained in table 1. 4) given a specific frame number, find the serial number of the camera with which it was taken (table 4). Returned sample information contained in the listings was compiled by various members of the Apollo Lunar Geology Investigation Team. Detailed information concerning the samples is given in "Documentation and Environments of the Apollo 17 Samples--a Preliminary Report," U.S. Geological Survey Interagency Report 71, by the Apollo Lunar GeologyInvestigation Team. The catalog was generated by correlation of individual pictures with transcripts of verbal data and notes taken by members of the Apollo Lunar Geology Investigation Team during the Apollo 17 mission. This correlation is a complex task and is still in progress. Errors in the tabulations are therefore inevitable, but it is anticipated that these will not materially affect interpretation of geologic data from the mission.

Open-File Report↗
USGS2021

Yellowstone grizzly bear investigations 2020 - Annual report of the Interagency Grizzly Bear Study Team

This Annual Report summarizes results of grizzly bear ( Ursus arctos ) research and monitoring conducted in the Greater Yellowstone Ecosystem (GYE) by the Interagency Grizzly Bear Study Team (IGBST) during 2020. The research and monitoring program is focused on population estimation and demographics, food monitoring, and habitat monitoring. This report also presents a summary of grizzly bear management actions to address conflict situations and agency outreach efforts. The information presented in this report is a summary of annual data collections. Data, analyses, and summaries presented here supersede those published previously and may be subject to change contingent on additional information, future publications, and the peer-review process.

Idaho, Montana, Wyoming↗
USGS2018

Yellowstone grizzly bear investigations — Annual report of the Interagency Grizzly Bear Study Team 2017

This Annual Report summarizes results of grizzly bear ( Ursus arctos ) monitoring and research conducted in the Greater Yellowstone Ecosystem (GYE) by the Interagency Grizzly Bear Study Team (IGBST) during 2017. This report also contains a summary of grizzly bear management actions to address conflict situations. Annual reports of the IGBST summarize annual data collection. Because additional information may be obtained after publication, data summaries are subject to change. Data, analyses, and summaries presented in this report supersede previously published data and analyses and interpretations may be subject to change contingent on future manuscript publication and the peer review process. The research described in this report complied with current laws of the United States of America, was conducted in accordance with animal care and use guidelines, and was approved by Institutional Animal Care and Use Committees of the respective member agencies.

Idaho, Montana, Wyoming↗
USGS1971

Documentation of the Apollo 14 samples

This report was prepared to illustate the locations and lunar orientations of the documented samples returned by Apollo 14. It supersedes U.S. Geological Survey Interagency Report No. 27 (Swann et al., 1971a). Some of the illustrations are taken from the Preliminary Science Report ("Ninety-day report") submitted to the National Aeronautics and Space Administration by the Apollo Lunar Geology Investigation (S-059) team (Swann et al., 1971h). Sample locations were determined from lunar surface photographs, from descriptions by the astronauts at the time of sampling, and from a correlation between sample bags in which the samples were returned and the traverse locations where those bags were used. The lunar orientations of samples were determined from correlations between the samples, as seen in the LRL, with photographs taken on the lunar surface before the samples were collected. In several cases, NASA models of samples were used for the purpose of identification and orientation. Oblique lighting was used to reconstruct the approximate lunar orientations of identified samples (Sutton and Schaber, 1971).

Open-File Report↗