Data

USGS is assessing the feasibility of map projections and grid systems for lunar surface operations. We propose developing a new Lunar Transverse Mercator (LTM), the Lunar Polar Stereographic (LPS), and the Lunar Grid Reference Systems (LGRS). We have also designed additional grids to meet NASA requirements for astronaut navigation, referred to as LGRS in Artemis Condensed Coordinates...

USGS is assessing the feasibility of map projections and grid systems for lunar surface operations. We propose developing a new Lunar Transverse Mercator (LTM), the Lunar Polar Stereographic (LPS), and the Lunar Grid Reference Systems (LGRS). We have also designed additional grids designed to NASA requirements for astronaut navigation, referred to as LGRS in Artemis Condensed Coordinates...

USGS is assessing the feasibility of map projections and grid systems for lunar surface operations. We propose developing a new Lunar Transverse Mercator (LTM), the Lunar Polar Stereographic (LPS), and the Lunar Grid Reference Systems (LGRS). We have also designed additional grids designed to NASA requirements for astronaut navigation, referred to as LGRS in Artemis Condensed Coordinates...

This is a letter from John O'Keefe to Eugene Shoemaker discussing Lunar rays and formulas for computing impact crater ray formation.

Abstract concerning the ray system of the lunar crater Copernicus.

This is a memo concerning a review of a paper for publication entitled "Interplanetary correlation of geologic time", written by Shoemaker, Hackman and Eggleton.

This is a draft manuscript and notes between authors discussing the discovery of Coesite at the Barringer Meteorite Crater, AZ.

This is a discussion on the penetration of meteorites as opposed to nuclear impact cratering.

This is an examination of the geochemistry of the uranium deposit at the Frenchy Incline, and possible ways the deposit has come into existence.

This is an examination the late Paleozoic and Early Mesozoic structural history of the Uncompahgre front and the Paradox Basin.

This is a paper discussing the discovery of coesite at the Barringer Meteorite Crater, AZ.

This is an examination methods of correlation used to determine the age of craters.