The Archaeology of the Yakima Valley

by Harlan Ingersoll Smith

Fig. 19. Mortar made of Stone. From the Yakima Reservation near Union Gap. ½ nat. size. (Drawn from photograph 44455, 2-4. Original in the collection of Mr. Janeck.)

A somewhat disk-shaped pebble of gray lava 295 mm. in diameter with a saucer-shaped depression in the top and a large pecked pit in the bottom (20.0-3344) was collected at Fort Simcoe by Dr. H. J. Spinden. A fragment of a mortar about 190 mm. in diameter with a nearly flat or slightly convex base and a depression 50 mm. deep in the top (202-8293) was found on the surface near the head of Priest Rapids and another fragment nearly twice as large, the base of which is concave over most of its surface and shows marks of pecking, apparently the result of an attempt to make it either quite flat or concave like many other mortars that have a concavity in each side, is shown in [Fig. 18]. It was found among the covering boulders of the grave of an adult, No. 42(4), in the sand at the western edge of the Columbia River about twelve miles above the head of Priest Rapids. The mortar shown in [Fig. 19], is hollowed in the top of a symmetrical, nearly circular pebble and has a convex base. It was found on the Yakima Reservation near Union Gap and is in the collection of Mr. Janeck.[82] This reminds us of a similar mortar found in the Thompson River region,[83] but such simple mortars made from pebbles are rarely found in the Nez Perce region to the east.[84] The mortar shown in [Fig. 20] also from the same place and in the same collection has a nearly flat base and three encircling grooves.[85] These grooves find their counterpart in four encircling incisions on the little mortar found in the Thompson River region.[86]

Fig. 20. Mortar made of Stone. From the Yakima Reservation near Union Gap. ½ nat. size. (Drawn from photograph 44455, 2-4. Original in the collection of Mr. Janeck.)

The specimen shown in [Fig. 116], which may be considered as a dish rather than a mortar, was seen in the collection of Mrs. Hinman who obtained it from Priest Rapids. It is apparently of sandstone, 150 mm. in diameter, 50 mm. high, the upper part being 38 mm. high and of disk shape with slightly bulging sides which are decorated with incised lines,[87] the lower part being also roughly disk shaped 64 mm. by 76 mm. in diameter by about 12 mm. high with slightly convex bottom and edges curved out to the base of the upper part. There is a disk shaped dish in the top 100 mm. in diameter by 12 mm. in depth.[88]

The animal form shown in [Fig. 125] bears a mortar or dish in its back. The object is 203 mm. in length, 88 mm. high and 113 mm. wide. The length of the bowl is 88 mm., the width 70 mm., and the depth 38 mm. The object is made of porous lava and was secured from an Indian who claimed to have found it in a grave near Fort Simcoe on the Yakima Reservation two miles below Union Gap which is immediately below Old Yakima.[89]

It seems strange that so many of the mortars are broken since they would be hard to break. It will be remembered that one of the broken mortars came from a grave and it may be that the others were on or in graves but had been removed in some way. My general impression is that mortars are much more numerous among archaeological finds both in this region and in the interior of British Columbia than on the coast.

Pestles. In addition to the probable use of pestles with flat stones or mortars with basket funnels, some of them, especially where nearly flat or concave on the striking head as in the Thompson River region to the north and on the coast may also have been used as hammers for driving wedges, splitting wood and like industries, if indeed they were not made solely for the latter uses. Some of the pestles differ from those found either to the north or on the coast, many of them being much longer, although Mr. James Teit informs me that very long pestles are occasionally found in the Thompson River region. He has seen four, and heard of one or two more. One two feet long was found in the Nicola Valley about 1905. One of the pestles of the Yakima Valley has a top in the form of an animal hoof, as is shown in [Fig. 124]. Others like animal heads are shown in Figs. [31], [33]-[35]. The range of forms of pestles is shown in Figs. [21] to [35]. The specimens shown in Figs. [22] to [28] inclusive are apparently all of the shorter type, while those shown in the remaining figures are variations of the longer type. By far the greater number of pestles, about forty, are of the type shown in [Fig. 21], and of these two thirds come from the vicinity of Priest Rapids. They are merely natural pebbles, all more or less of suitable size, shape and material, which have been used as pestles until one end has become flattened. Some of them are also flattened on the top, the battered ends often giving the only indication that they were used. Such as were not of exactly the right form for grasping have had their excrescences or the more projecting surfaces removed by pecking. A few of these objects seem to have been made from small basaltic columns, the corners of which have been pecked into a more suitable shape. Some of them have been pecked so that they taper gradually from the small upper end to the base. The specimen considered as a "slave-killer" and shown in [Fig. 69], may have been used as a pestle. Simple short cylindrical or conoid pebbles, only slightly changed from their natural form, are used for pestles in the Nez Perce region to the east.[90]