// Vanilla
net.minecraft.block.BlockDirt

// Biomes O'Plenty
biomesoplenty.common.block.BlockBOPDirt

// Enhanced Biomes
enhancedbiomes.blocks.BlockSoilEB

// TerraFirmaCraft
com.bioxx.tfc.Blocks.Terrain.BlockDirt

// Aether
net.aetherteam.aether.blocks.natural.BlockAetherDirt
com.gildedgames.aether.common.blocks.natural.BlockAetherDirt

// Tinker's Construct
slimeknights.tconstruct.world.block.BlockSlimeDirt