MIT Libraries logo

Search Constraints

You searched for: Subject Aggregates (Building materials) Remove constraint Subject: Aggregates (Building materials) Place Connecticut Remove constraint Place: Connecticut Year 2002 Remove constraint Year: 2002
Number of results to display per page

Search Results

1. Sand and Gravel Operations in the United States

2002. Geological Survey (U.S.) Minerals Information Team. This point shapefile includes sand and gravel operations in the United States. These data were obtained from information reported voluntarily to th... National Atlas of the United States.