Fossil Geese of the McKittrick Asphalt Deposits
<p>The geese although widespread in Recent times and well known have always been difficult of classification. Richard Lydekker (1910) says: "Although it has been attempted to divide the members of the order (Anseres) into several distinct families, the whole of them are so nearly allied t...
Internet
https://thesis.library.caltech.edu/5505/1/Ross_rc_1932.pdfRoss, Roland Case (1932) Fossil Geese of the McKittrick Asphalt Deposits. Master's thesis, California Institute of Technology. doi:10.7907/2YAN-DQ47. https://resolver.caltech.edu/CaltechTHESIS:01082010-091209877 <https://resolver.caltech.edu/CaltechTHESIS:01082010-091209877>