 For example, some investigators state that where sand had washed away between the seams, another course of blocks can be seen along with small blocks underlying these blocks.However, detailed evidence that clearly documents the alleged presence of a continuous second layer (course) of stones beneath the stones forming the currently exposed "pavement" has not yet been published in a reputable, scientific venue with the detail that is needed for critical evaluation.Pictures posted on various Web pages of stones alleged to be artificial "wedge stones" and "prop stones" fail as convincing evidence for a second course of stones because they are typically smaller in size, do not form a continuous course, and too infrequently lie directly beneath the blocks that form the surface of the Bimini Road.