The cattlemen finally had to settle land of their own, putting up fences and cutting the size of their herds.

VOA: special.2010.03.18

Huge herds of cattle were brought there from western states to be transported by railroad to markets in the eastern United States.

VOA: special.2010.03.10

He took part in some of the first movements of huge cattle herds from Texas to the railroads in the state of Kansas.

VOA: special.2010.03.17

Cattlemen began moving their herds up this trail across the Oklahoma territory and into Kansas.

VOA: special.2010.03.18

And early cattlemen greatly increased the size of their herds.

VOA: special.2010.03.18

Bigger livestock herds are putting greater pressure on land resources and disrupting some ecosystems and the animals generate significant amounts of water and air pollution, including methane, a climate-changing greenhouse gas.

VOA: standard.2010.02.22