'The 19th century spring tooth one of these plow-like devices was useful for breaking up rocky soil'
harrow
FORMER TECHNOLOGY: The 19th century spring tooth one of these plow-like devices was useful for breaking up rocky soil
The 19th century spring tooth one of these plow-like devices was useful for breaking up rocky soil
The 19th century spring tooth one of these plow-like devices was useful for breaking up rocky soil
FORMER TECHNOLOGY
harrow
FORMER TECHNOLOGY