In 1897 Edgeworth David led a second expedition (that included George Sweet as second-in-command, and Walter George Woolnough) which succeeded in reaching a depth of . David then organised a third expedition in 1898 which, under the leadership of Dr. Alfred Edmund Finckh, was successful in carrying the bore to . The results provided support for Charles Darwin's theory of subsidence. Cara Edgeworth accompanied her husband on the second expedition and published a well-received account called "Funafuti, or Three Months on a Coral Island". Photographers on the expeditions recorded people, communities and scenes at Funafuti.