1911 Encyclopædia Britannica, Volume 7… (1911)
“ The chief river is the Pennar, which enters the district from Bellary on the west, and flows eastwards into Nellore. Though a large and broad river, and in the rains containing a great volume of water, in the hot weather months it dwindles down to an inconsiderable stream. Its principal tributaries are the Kundaur, Saglair, Cheyair, and Papagni rivers. One of the most interesting antiquities in the district is the ancient fort of Gurramkonda. The fort is supposed to have been built by the Golconda sultans ”
