Except at its main entrance, through the valley of the Yellowstone on the N., the park is entirely surrounded by national forests: the Gallatin and Absaroka national forests, on the N.; the Shoshone and the Beartooth, on the E.; the Teton, on the S.; and the Tai ghee, the Madison and the Gallatin, on the W.
The principal staples include wheat, oilseeds, raw cotton, indigo, sugar, molasses, timber and forest produce, dry-stuffs, ghee, opium and tobacco.
In this primeval, or rather timeless because ever-proceeding, sacrifice, time itself, in the shape of its unit the year, is made to take its part, inasmuch as the three seasons - spring, summer and autumn - of which it consists, constitute the ghee (clarified butter), the offering-fuel and the oblation respectively.
Flour, potato-flour, ghee and ghoor (crude datesugar) are revealed by their odour and the consistence they impart.
Besides coffee there is a large trade in durra, the kat plant (used by the Mahommedans as a drug), ghee, cattle, mules and camels, skins and hides, ivory and gums. The import trade is largely in cotton goods, but every kind of merchandise is included.