Contract Notice - General Guideline, Standard Regulation Open Procedure (Services) Two-Dimensional Hydrodynamic Modelling For The Lahn River Including Preparation Of The Documents For The Procedure For Designating The Floodplain Execution Of The Two-Dimensional Hydrodynamic Modelling For The Lahn River In The Area From The Hessian State Border With North Rhine-Westphalia (Km 222) To The Hessian State Border With Rhineland ... More (EXPIRED)