I know for certain that nearly all of the cylindrical ones are 20th-century bullets for Blackpowder target-shooters and game-hunters. Bullets #1 and #2 are Lyman-mold 3-groove "Minie-balls." Bullets #3, 9, 10, 11, and 12 are called "Maxi Ball" bullets. Here are some photos of that kind, including a box of them.
The presence of so many modern blackpowder bullets on your farm indicates the musketballs are also modern-made.