Sampling and testing for chloride ion in concrete /

Mode of access: Internet.

Coordinating water resources in the federal system : the groundwater-surface water connection.

Mode of access: Internet.

Operator's manual : sampling and analyzing kit, CBR Agent, M19.

"September 1966."

Operator's manual : sampling and analyzing procedures : sampling and analyzing kit, CBR agent, M19.

Includes index.

Dewatering and groundwater control.

"November 1983."

Rainfall sampling on rugged terrain /

Caption title.