Columbia subject headings:
Earthwork--United States--Handbooks, manuals, etc.
Hydraulic structures--Foundations--United States--Handbooks, manuals, etc.
Soil mechanics--United States--Handbooks, manuals, etc.
Harvard subject headings:
Princeton subject headings:
Earthwork--United States--Handbooks, manuals, etc.
Hydraulic structures--United States--Foundations--Handbooks, manuals, etc.
Soil mechanics--United States--Handbooks, manuals, etc.
United States. Bureau of Reclamation--Handbooks, manuals, etc.