The prevalence of subsurface migration of hazardous chemical substances at selected industrial waste land disposal sites.

Issued Oct. 1977.

Impact of demographic and migration trends on future travel in metropolitan areas.

Mode of access: Internet.

Migration of farm people : an annotated bibliography, 1946-1960 /

Includes index.

Economic models of migration : review of the literature and some new evidence /

ASPER/PUR-76/3410/A

Net migration of the population, 1960-70, by age, sex, and color /

Tables.