Geotechnical documentation for project purposes in the context of the realization of international communication route modernization E-65 Gdynia – Warsaw – Grodzisk Mazowiecki – Zawiercie – Katowice – Zebrzydowice/Zwardoń, including the railway line No. 4 Grodzisk Mazowiecki – Zawiercie (CMK) from km 1.056 to km 223.084.
