Steam-shovel

[H]ere in America there are mountains of oil rock which can be blasted and steam-shoveled and transported by gravity to great retorts which will turn out oil and fertilizer in limitless quantities.

Source: wiktionary

[I]n the tumultuous rootings of a potato field, in which hogs had long foraged and steam-shoveled, there were woodcock, squatting sedately and boring assiduously in the soft brown loam.

Source: wiktionary

Considerable copper ore, steam-shoveled from Sacramento Hill and piled at Bisbee, was of smelting and milling grade, and some of it was put on the dump for heap leaching.

Source: wiktionary

Approximately eighty-five percent of the iron mined in the United States in recent decades has come from the ore ranges adjoining the upper Lakes, and most of all from the fabulous Mesabi Range, some fifty miles northwest of Duluth, now steam-shovelled deep in what was recently a frontier wilderness of snow, lakes and northern forests, […]

Source: wiktionary