The Bushnell book
http://books.google.com/books?id=Zw8mAAAAMAAJ&pg=PA225&lpg=PA225&dq=%22point+coupee+battery%22+bushnell&source=bl&ots=-4JNZljJj-&sig=jC8U-UllkM4NWJvE_tiq98kmiWk&hl=en&sa=X&ei=Hv0iT5L_D_PXiAKFhMSACA&ved=0CCkQ6AEwAA#v=snippet&q=coupee%20flag&f=false