The moment of survey work of the Pinsk expedition of Belgiprovodkhoz. The members of the expedition are exploring the floodplain of the Pripyat River and its tributaries. The head of the detachment, PF Zhabiko, works with the theodolite, the members of the detachment determine the depth of the peat, carry out various works with geodetic instruments. The staff of the laboratory for the study of soils in the Polesye Lowland examine samples sent to the laboratory by the members of the expedition; preparing a general project for draining the Polesye lowland. The chief engineer of the Ivanovka machine-reclamation station, MI Kolbasin, and other workers are checking the readiness of the machines for spring drainage works. Testing the trencher in winter conditions. Moments of the excavator's work on laying the main canal on the lands of the collective farm named after Lenin, Ivanovsky district, Pinsk region (modern - Brest region).