Astm D 1941 – 91 (Reapproved 2001) Pdf free downoad May 13, 2022January 17, 2021 by Mike Standard Test Method for Open Channel Flow Measurement of Water with the Parshall Flume1 This standard is issued under the…Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here