Read Ebook: The Topanga Culture: Final Report on Excavations 1948 by Bierman Agnes Treganza Adan E Adan Eduardo

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The 10 single-edged planes that come from the surface range from large to small, 9 of which are basalt and 1 a pink mudstone. A single massive double-ended plane of basalt is much battered on its worked edges, which are flaked back on their upper side. Battering is also in evidence along the flaked edge of 4 bifacial choppers, 3 of which are basalt and 1 quartzite. Out of 4 basalt flake scrapers, one has been much used; and of 4 core hammerstones, 2 are basalt, 1 is quartzite, and 1 is mudstone. Manos were represented by 3 bifacial types, the grinding surfaces of 2 being parallel, and 1 meeting at an angle to effect a wedge-shaped cross section. All are well-shouldered, 1 displaying a pecked depression on a single wear surface; 2 are of sandstone, 1 of which is carbonized; and the third is of an igneous rock. Again, on all the basalt specimens the patination is very marked.

The site extends from the ridge where the house is located into the knoll west of the orchard, covering an area of 400 by 300 feet to a depth of at least 30 inches. Artifacts are plentiful on the ploughed and cultivated surface, and the highly indurated mound soil is dark and clayey. Where the deposit has been cut by recent developments, little worked stone is found in the banks; and a 5-foot square pit netted only one fragment of a ground slate pendant, though the deposit extended below the 30 inches to which the excavation proceeded. From the walls of the pit it could be noted that some soil profile had already developed.

Tools from the surface included general core tools, manos, and metates. A basin metate had been reported; and a fragment of one, of sandstone and shaped on its outer surface, was found. Of 9 manos and mano fragments, 5 are bifacial and relatively thin and 4, monofacial. All but 2 of the monofacial artifacts are sandstone, these being of a granitic rock. In cross section the majority of grinding surfaces are unusually convex, especially as they reach the edge and roll partly up the side. A single basalt pestle fragment was obtained. Scraper planes are well represented by 10 with a U-shaped edge development, some well-battered along the worked margin; and 25 single-edged planes, some of which are very large and most displaying flaking back on their edges, generally on the upper surface of the used edge. Four of quartzite and 1 of felsite porphyry are single-edged, the remainder are basalt. The 4 side scrapers are thin flakes, 2 of basalt, 2 of chert. The 3 choppers are of basalt, 1 having served additional use as a hammerstone, and the 4 hammerstones are basalt cores. Patination is noticeable on all, and smoothed flake scars are not uncommon.

Four-tenths of a mile to the south, .2 of a mile southwest of the home of M. Biencourt, an isolated chopper was picked from the surface of a spur ridge leading to Garrapata Creek. It is a large bifacial tool, battered on the slightly fashioned working edge, of basalt and patinated. No further indication of aboriginal habitation could be discovered in the near vicinity. Lithic tools and rejects, however, were found on the slope just southeast of the Biencourt residence, apparently weathering from a higher source. Investigation at the time was not feasible, however, and further investigation has not as yet been possible.

A number of springs are located in this vicinity, all, at present, permanent and potable. Two are within a quarter of a mile, one upstream and one downstream. Two others are within a three-quarter mile radius, one upstream on the old Santa Maria Ranch, and the other at Mineral Springs, to the west across a low range.

SUMMARY OF SITES

On the basis of physiographic location, nature of deposit, artifact types, and the degree of implement patination, sites LAn-2, 3, 4, 5, 9, 10, 11, 12, 14, and 24 resemble the Tank Site and, therefore, could probably be classed as representative of one of the phase developments of the Topanga Culture. Sites LAn-8, 20, 21, 22, 23, 27, 28, 29, 30, 31, and 32, because of the friable, dark soil, presence of steatite, quantities of mammal bone and mollusk shell, or associated bedrock mortars, have been classed as late protohistoric sites and are not considered within the scope of this paper. Several sites, e.g., LAn-17, were of dubious mixed origin and would require more extensive examination to determine their cultural affinities. Where omissions in the numbering occur, e.g., 7, it is because sites were reported for an area and later failed to materialize as much.

FIELD TECHNIQUES

Our major purpose in continuing field work at the Tank Site was to establish with greater certainty the relationships between the diverse artifact types and classes, and other manifestations, already recognized. In the hope that the general region in which burials had been located in 1947 would continue to be productive in this respect, we expanded from there in all directions, especially toward the center of the mound. Digging in the deeper northwestern part of the site was furthered with the intent of verifying the suggested stratigraphy and acquiring, possibly, a deep undisturbed burial in better condition than those from the upper soil horizons.

The procedure of excavation and notation was essentially unaltered from that previously employed. A grid of co?rdinates had already been established with reference to permanent data. Burials and features were again entered on standard University of California archaeological forms. A slight change, however, was made in the method of recording and cataloguing field data.

Originally a data sheet had been completed for each 6-inch interval of a 5-foot grid section, on which artifacts were plotted in exact horizontal location. In working up the material it became clear that the specific spatial distribution of isolated implements lacked patterning. It was therefore considered adequate, when returning to the field, to designate provenience by excavation unit and level only. In addition, the method of cataloguing was simplified and so organized that 90 per cent of the tabulation of data could be completed in the field. This was possible because the specimens derived from the 1947 field work had already been classified and constituted a sample on which expectations could reasonably be based.

The procedure followed was to strip each 5-foot section in 6-inch levels, and to sack together all the artifacts from one such test unit. At the end of the day the level bags were taken to camp where the artifacts were washed, labeled, and tabulated. All items were marked in India ink according to section number and level interval, e.g., 15R10-1, a specimen from the 0- to 6-inch level of the pit; 15R10-2 would indicate the 6- to 12-inch level, etc. A tabulation sheet was kept for each excavation unit. This sheet listed the most frequently occuring types or categories, allowing for the notation of rare forms, and was ruled vertically to indicate depth intervals. Artifacts were entered according to type, or category, and level, and then packed for transport. Atypical specimens or those to be used for illustration were set aside for separate shipment and more intensive examination.

This system had many advantages. Records were readily kept up to date, problems that suggested themselves as excavation progressed could be more closely defined and investigated, and artifacts could be expeditiously and finally cleared from the work area. The data sheets served as a field catalogue and covered the groundwork of the final statistical compilation. The number assigned each specimen referred not only to its catalogue entry but also its provenience.

In 1947 we could not anticipate what might be found, nor could we establish immediately the significance of what we did encounter. Thus it has been our policy to save all worked stone and ship it back to the Museum of Anthropology at Berkeley for study. During the second season, however, we felt a little more discrimination was warranted in order to save the museum valuable storage space. Therefore, the bulk of the hammerstones and a number of complete, and all fragmentary, manos, metates, and scrapers were tabulated and piled into pit 21R4 before backfilling.

FEATURES

Since the Tank Site showed promise of being an unusual and important deposit, considerable care was observed during both seasons of excavation to isolate and expose any concentration of lithic remains which appeared to be in any way atypical of the average mound matrix. As a result, numerous associations of stones, such as mano caches, highly weathered inverted metates, and massive piles of rejected cores, broken manos and metates, and plain cobbles, were set apart from the rest of the site and given the term "feature." In some instances these features possess obvious meaning, as was true of the mano caches and the inverted metates, but in other instances the purpose remains unknown. If nothing else, this technique of isolating features as excavation progressed provided an adequate view of the internal structure of a village, a type of information largely lacking in southern California archaeology.

The features described below represent a continuation of the series reported for 1947.

BURIALS

The number of burials recovered was disappointing in view of the previous summer's find. In 1947 our efforts had been confined to digging a wide L-shaped trench peripheral to the central section of the site, from which six fully extended burials were removed, as well as a disturbed burial and reburial. Considering this a favorable sample, we anticipated the central region at least to be as productive. It proved, on the contrary, to be almost lacking in burials. The few interments we did expose came, again, from the peripheral sectors. This peripheral occurrence of burials suggests the possibility of marginal cemeteries rather than burial plots in the central living area, a feature often characteristic of later cultures.

More apparent from the field notes than in the course of excavation was the repeated occurrence of fragmented sets of long bones still in semiarticulated position. The nonarticulated epiphesial extremities were generally lacking. In some instances sections of both femora and tibiae occurred in articulated position; in others, just a pair of tibiae or femora, or a single femur or tibia were left. Burial 1 constitutes a good example of the condition to which we just referred. Earlier, on the basis of merely this isolated example, we assumed it to be simply the remains of a disturbed extended burial. However, the frequent recurrence of the phenomenon this season suggests a distinct and intentional burial pattern. Often, the segmented long bones were encountered in conjunction with those features composed of a concentration of large unworked stone and metate fragments. Some problem exists as to what happened to the rest of the skeleton. At no time during excavation did we uncover scattered skull fragments or teeth, and fragmentary arm bones or other skeletal parts were rare. The bulk of the dissociated bone consisted of tibiae or femora. Until otherwise indicated, therefore, we are led to assume that the manifestation results from some form of sectional body disposal, though its ramifications remain unknown and precisely comparable situations are unreported in terms of a consistant pattern.

The data from the two seasons' work thus demonstrate three methods for disposal of the dead: primary inhumation in the flesh, the disposition of the corpse being extended, either prone or supine, with head oriented southerly; reburial, involving only incomplete skeletal remains, primarily segments of long bones, and covered by a metate, which is generally inverted; fractional burial, with interment of leg bones only. The latter is a tentative form, and should it in reality have existed we are unable to explain such a unique custom that would have involved body dissection. The nature of the finds, however, suggests burial of the dismembered lower extremities and not merely a reburial, hence probably representing a form of primary inhumation.

Location: section 22L2.

Depth: 50 in.

Type: fractional burial.

Condition: fair.

Position: indeterminable.

Sex: indeterminable.

Remarks: Partial burial consisting of sections of leg bones. Owing to the depth, preservation of the existing bone was good. Unfortunately, because of a cave-in of the unconsolidated earth of last year's fill, a photograph was impossible.

Artifacts in association: larger part of deep-basin metate. In contrast to other metates associated with reburials, this specimen was not inverted.

Burials 1-8 described in Treganza and Malamud, 1950, pp. 134-135.

Location: section 16R11.

Depth: 24 in.

Type: fractional burial.

Condition: poor.

Position: ?

Sex: ?

Artifacts in association: none.

Table 1

Burials LAn-1

Location: section 15R13.

Depth: 12 in.

Type: partial reburial or disturbed primary burial.

Condition: poor.

Position: indeterminable.

Sex: indeterminable.

Remarks: Fragments of long bones, mandible, and maxilla present. Position of mandible and maxilla among the leg bones suggests either a former disturbance of a primary inhumation or a secondary burial.

Artifacts in association: possible feature 15C and a cogged stone found about 18 inches away.

Location: section 17R7.

Depth: 26 in.

Type: indeterminable.

Condition: poor.

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