My organization has conducted something called Landmine Impact Surveys for several years - these efforts werre actually the original reason our team was brought together in late-1998. Our last serious one was in 13 of Iraq's 18 governorates. For the most part, the major contaminated countries with real need for these expensive, time-consuming projects have been completed or are underway. I think there's a rathional tendency now to exampine the same kind of infratructure blockages/impacts that these surveys specifically look at, and that you mention above, but cull the data from a wider variety (read: cheaper) range of alternate sources, and there are more and more tools out there that allow this.
Here is the first of the four principles of humanitarian response to IEDs that I developed, and that I think addresses your point about explosives supply:
1. In most, if not all countries where IEDs are employed, Explosive Remnants of War (ERW) on former or current battlefields are a foundational component of the IED assembly line. Humanitarian efforts to eliminate landmines, UXO and Abandoned and Hazardous Ordnance (AO/HO) should include the impacts of IEDs upon civilians when prioritizing ERW mitigation. IEDs that are “fed” by abandoned caches, depots and other ERW sources are NOT a threat distinct from currently accepted HMA parameters.
Cheers,
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