TABLE IV.-SUMMARY OF AGE AT BEGINNING WORK, BY INDUSTRIES—Conc'd.

TABLE IV.-SUMMARY OF AGE AT BEGINNING WORK, BY INDUSTRIES-Conc'd.

TABLE IV.-SUMMARY OF AGE AT BEGINNING WORK, BY INDUSTRIES-Conc'd.

TABLE IV.-SUMMARY OF AGE AT BEGINNING WORK, BY INDUSTRIES—Conc'd.

TABLE V.-SUMMARY OF AGE AT BEGINNING WORK, BY CITIES.