In 1815 , on the strength of this map , she traveled to the ruins of Ashkelon on the Mediterranean coast north of Gaza .
In 1815 , on the strength of this map , she persuaded the Ottoman authorities to allow her to excavate the site .
In 1815 , on the strength of this map , she traveled to the ruins of Ashkelon on the Mediterranean coast north of Gaza , and persuaded the Ottoman authorities to allow her to excavate the site .