Composition in black and white. Predominance of contour lines. Support with squares, the graphite, featuring the design for expansion. Study representing yerba mate harvest It depicts. In the foreground, on the left, man figure holding yerba mate branch, and in front of a severed tree trunk and a gourd; on the right figure back foreman, slightly turned to the left, wearing a hat and boots. In the background, the center, kind of down surrounded with leaves suggestion inside. On the third level, the center, two men working in a forest.