The entire manuscript is available for download below as a single PDF file. Because of the large size of this manuscript, it is also available in two PDF files. In addition, each page is available as a separate, larger, JPG file. If higher-resolution JP2 files are needed (WARNING: files average 11-14MB in size), please contact open-help@bu.edu. Fieldwork Team: Dr. Fallou Ngom (PI), Cheikh Tidiane Fall (Co-applicant), Ablaye Diakite (Researcher), Birane Gassama (Researcher) Technical Team: Roger Brisson (Head of Metadata Services, BU Libraries), Vika Zafrin (Institutional Repository Librarian, BU Libraries), Jack Ammerman (Associate University Librarian for Digital Initiatives and Open Access, BU Libraries), and Dr. Peter Quella. This co...