No problem, Tom. This problem has already been pondered and solved.
http://www.deathcamps.org/occupation/ponary.htmlA Sonderkommando (70 Jews from the Kailis Forced Labour Camp in Vilnius, and 10 Soviet POWs) had to exhume and burn the corpses, supervised by 80 heavily armed guards. A mobile ladder was used to stack the corpses in huge piles.
Yu. Farber, member of this Sonderkommando, described the horrible work:
"There was a technique for burning the corpses: on the edge of the pit was a small hearth, measuring 7 metres by 7 and built out of pine logs, a scaffold, one row of tree trunks stacked across other tree trunks, and in the middle was a chimney made from pine trunks. The first operation was to shovel the sand until a "Figur" (puppet) was uncovered; that is what the Germans ordered us to call the corpses.
The second operation was performed by the "hook-man", which is what they called the worker who extracted the bodies from the pit with an iron hook. The bodies lay close together. Two "hook-men", who were usually the strongest men from the work unit, would throw down a hook and pull out a corpse. In most cases the bodies came apart in pieces.
The third operation was done by carriers – the "Träger". They had to put a corpse on a stretcher, and the Germans made sure that they had a whole corpse on the stretcher, i.e. two legs, two arms, a head and torso.
The Germans kept a strict account of how many bodies had been removed. Our task was to burn 800 corpses a day; we worked from dawn until after dark. The "Träger" carried the bodies to the wooden hearth. There the figures were piled up in rows, one on top of the other. When one layer was stacked, spruce branches were put on top; a special worker, a "Haufenmeister", looked after the fuel and added dry logs to the fires.
When the logs and branches had been piled on, black fuel oil was poured all over them, then a second layer was piled on, then a third, etc. In this way, the pyramid would reach 4 metres in height, sometimes even higher. A pyramid was considered ready when it contained 3,500 corpses. It was thoroughly soaked with fuel oil not only from above, but also from the sides; the sides were covered with special dry logs, which were amply soaked with petrol, one or two thermite bombs were inserted, and the whole pyramid was set on fire…
A pyramid usually burned for 3 days. It had a characteristic short flame; thick, black, heavy smoke containing large flakes of black soot would rise up… A "Feuermeister" would stand nearby with a spade. He had to make sure that the fire did not die out.
After 3 days a heap of ashes would form, containing small bone fragments that had not burned through. The very old men and people who were physically feeble were used to tramp down the ashes. The burned bones were shoveled onto a huge iron sheet where they were crushed by the stampers so that not a single piece of bone would remain.
The next operation was to shovel the ground bones through a fine-mesh metal net. This operation had a double purpose. If nothing was left in the net, it meant that the bones had been well ground; and secondly, this process uncovered metal objects such as gold coins and other valuable items which had not burned.
One more operation should be mentioned. When a corpse was lifted out of the pit, a special worker inserted a metal hook in the corpse’s mouth, and if he discovered any gold crowns or bridges, he ripped them out and put them in a box…”