1. **State the problem:** We need to find the circumference of a circle with a diameter of 18 yards. 2. **Formula:** The circumference $C$ of a circle is given by the formula: $$C = \pi \times d$$ where $d$ is the diameter of the circle. 3. **Given:** Diameter $d = 18$ yd and $\pi = 3.14$. 4. **Calculate:** Substitute the values into the formula: $$C = 3.14 \times 18$$ 5. **Multiply:** $$C = 56.52$$ 6. **Answer:** The circumference of the circle is $56.52$ yards.