1 Subjects: “...gravel-bed stream...”

2 Subjects: “...gravel bed river...”

3 Subjects: “...gravel content...”

4 Subjects: “...gravel beaches...”

5 Subjects: “...gravel-rubber mixtures...”

6 Subjects: “...gravel-rubber mixtures...”

7

8 “... interventions, mining of sand and gravel is the most disastrous one, as the activity threatens the very...”

9 “... naturally percolates through the ground into aquifers (which are layers of sand and gravel that contain...”

10 Table of Contents: “... Disciplinary Analyses on Hydro Rotor using Computational Hydrodynamic Simulation (CHS) -- Sand-gravel mining...”

11 Table of Contents: “... species.Sanitary pollution. Dredge spoils dumping.Extraction of sand and gravel.Offshore oil and gas production...”