- Landscape plan "Redevelopment Roden-Norg", sketch and preliminary design, Landinrichtingsdienst / Landinrichtingscommissie Roden Norg, 1990-1994
- Input note "Gas storage at Langelo", Association Dorpsbelangen Langelo April 1993
- "Zoning plan Langelo underground gas storage", Heeling Krop Bekkering September 1994
- "Mitigating measures gas storage facility Langelo. 1st draft", Noordpeil September 1996