obstructing navigation. These questions do not relate only to the next
century or the next generation. One distinguishing characteristic of
really civilized men is foresight; we have to, as a nation, exercise
foresight for this nation in the future, and if we do not exercise that
foresight, dark will be the future!"
During the meeting numerous addresses were made on the conservation of
the minerals, of the soils, of the forests, and of the waters of the
country. In his address on the conservation of ores and related
minerals, Andrew Carnegie declared that during the three-fourths of a
century from 1820 to 1895 nearly 4,000,000,000 tons of coal were mined