The TGA was enacted by Congress to prevent overgrazing of rangelands .
The TGA was authorized the permitted use of lands designated as available for livestock grazing while specifying that grazing permits convey no right , title , or interest to such lands .
The TGA was enacted by Congress to prevent overgrazing of rangelands , and authorized the permitted use of lands designated as available for livestock grazing while specifying that grazing permits convey no right , title , or interest to such lands .