1. Statistical summaries of streamflow in Oklahoma through 1999 Author/Creator: Tortorelli, Robert L. Publication/Creation: Oklahoma City, Okla. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
2. Flood frequency estimates and documented and potential extreme peak discharges in Oklahoma Author/Creator: Tortorelli, Robert L. Publication/Creation: Oklahoma City, OK : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading