保持水土　利在当代　功在千秋　江泽民　一九九二年五月二十日
“Soil and water conservation benefits by the present age and the contribution remains forever.”Jiang Zemin May 20th，1992

1999年国务院总理朱镕基视察延河项目区（前排右二为陕西省委书记李建国，前排左一为时任陕西省省长程安东）
Zhu Rongji，Premier of the State Council inspected Yanhe project area in 1999（Li Jianguo，secretary of Shaanxi provincial Party committee，second from right in the front row；Cheng Andong，governor of Shaanxi province，first from left in the front row）