Introduction to 1990 census products for Puerto Rico. Alphabetical index of industries and occupations . 1990 C35 GSSI Census Section 11. Classified index of industries and occupations . Ask Reference Desk staff for shelving locations of specific discs.
Guides share the same call number as the discs for which they provide information.
They are shelved in the Technical Documentation area near the PCs. P.L. 94-171 redistricting data. The PL 94-171 data are data that were required for congressional redistricting purposes and were released early in the Census cycle. States, counties, metropolitan areas, places, census tracts, block numbering areas, block groups and blocks, and voting districts are covered. 1990 C884 GSSI 13b.