﻿<?xml version="1.0" encoding="utf-8"?>
<rdf:Description rdf:about="https://catalogues.royalsociety.org:443/CalmView/record/catalog/TG/1/12/333" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <dc:title>Letter from Thomas Gold to Dr John O'Keefe, Goddard Space Flight Center, Greenbelt, Maryland</dc:title>
  <dc:description>Discussing the higher density of small craters in mare ground compared with the neighbouring hillsides.</dc:description>
  <dc:date>17 December 1975</dc:date>
</rdf:Description>