The Catalog of Planetary Maps.
Sources: The research that led to this catalog was supported by Fulbright Hungary Grant No. 1222202, awarded to H. Hargitai for research at USGS Astrogeology, Flagstaff, Arizona (advisor: Trent Hare), and by the ICA Commission on Planetary Cartography (advisor: Kira Shingareva). Most of the data is based on the inventory of the map library of USGS Astrogeology.
Copyright and Use Notice: Published U.S. Geological Survey and U.S. Air Force maps are generally in the public domain. Some maps reproduced or displayed on this site may be protected by copyright.
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Photos: Unless otherwise indicated, all photographs are by H. Hargitai. Several photographs are from the USGS Astrogeology Map Library and Lowell Observatory, both in Flagstaff, Arizona. Several photographs of Soviet maps were taken at MIIGAiK, Moscow.
Contact: The catalog is curated by H. Hargitai, ELTE, Budapest, hargitai.henrik@btk.elte.hu.
Photoelectric-photographic map of the normal albedo of the Moon
Scale 1: 5 000 000
Moon — map
These are the first maps where photographic albedo was converted into exact numerical values.
Source: A photoelectric-photographic study of the normal albedo of the Moon, accompanied by an Albedo map of the Moon 1970
https://pubs.er.usgs.gov/publication/pp599E
Figure 7.—Isodensitracings made from the photographic plate used in the present lunar photometry. A. Contours corresponding to areas of geologic significance. B. Contours showing no geologic significance.