Yuill, Laura Alvin2016-10-312016-10-3119361936b147791467941260https://hdl.handle.net/2144/18863Thesis (M.A.)--Boston University, 1936. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsThe lead uranium ratio of a crystal of Wilberforce, Ontario, uraniniteThesis/Dissertation