Instructions for the installation of water level recorders, Friez type FW-1
By: prepared by D.B. Krimgold, John L. Weber and L.L. Harrold, under the direction of C.E. Ramser, in charge, Watershed and Hydrologic Studies
Contributors: Weber, John L.; Harrold, L. L. (Lloyd L.), 1915-; United States. Soil Conservation Service
Edition: Revised June 1938.
Published: 1938
Language: eng
Number of pages: 18
Subjects: Water levels; Measurement; Equipment and supplies; Hydrological instruments
Notes: Cover title.

At head of title: Watershed and Hydrologic Studies.

Instructions for the installation, operation and care of the Friez portable water level recorder model FW-1 (5 leaves) inserted.

"January 1938."