San Gabriel investigation
Subtitle: percolation, water shortage, etc. Memorandum
By: by Harold Conkling, hydraulic engineer in charge of investigation.
Published: 1927
Place of publication: Sacramento, Calif
Language: eng
Number of pages: 53
Notes: Cover-title.

Two tables laid in: Percolation above Foothill Boulevard, daily discharges, 1927; and Percolation above the Northwest line, daily discharges, 1927.

Three folded maps in pocket.