A AS : 9e principally boulder-clay. Clearing is generally easy. ‘ _. The bed of McLennan Riyer is shallow, dazzling in places with mica-flakes; in others pink, with small garnet crystals. The river-flats are mostly mall and timbered. The channel is tortuous and fall slight. Main tributaries are Mica, Swift, and Tete Creeks, shallow, rapid, and mountain-confined, rae _ except near the mouth, where the land is low and _inarshy.