Category: Articles


  • GPR mapping to reconstruct a Late Classic Period Compound Wall, Chichen Itza, Mexico

    by Lawrence Conyers and Denisse Argote | Integrating a lidar relief map with GPR subsurface mapping, accompanied by locating known and inferred surface structures allowed for the reconstruction of a Late Classic Period walled compound. It was found that this enclosure is not perfectly rectangular, was partially dismanteled in the past, added on to in…

  • There Is A Coming Crisis In Peer Reviewed Publications In Our Field

    There is a coming crisis with peer reviewed publications in our field. The symptoms have been apparent for about 6 or 7 years and are now becoming obvious. Those of us who came from the academic realm have always relied on well-established publications to “show our worth” and achievements necessary for promotion and tenure decisions.…

  • GPR at Laetoli, Tanzania: Micro GPR for mapping hominid footprints

    Very high frequency ground-penetrating radar (GPR) reflection data were collected and processed at Laetoli Site S, to connect an ancient hominid pathway that was uncovered in two excavations conducted in 2016. These footprints have been dated to about 3.6 million years ago and are likely those of Australopithecus afarensis. Profiles were collected 5 cm apart…