Dirt

This puzzle involves dirt. Specifically, it involves identifying where bags of dirt sit on the soil identification chart: each bag contains a different proportion of clay, silt, and loam. Specifically, each bag contains either 0%, 33%, 66%, or 100% of each, for 10 unique points on the soil identification chart arranged in a triangle pattern.

After identifying these proportions, solvers can use this information to arrange the 10 triangle pieces into a larger triangle grid as provided in the puzzle.

Similarly, solvers can use the crossword clues to fill out the triangular crossword grid, with words filling in unshaded triangles in a continuous line. The answers to the clues are as follows:

Filling out the crossword and extracting the indicated letters, we obtain the following:

Which, if ordered according to bag number, gives us the answer EARTHLIKE.