IN SITU ARCHAEOLOGICAL CONSULTING - Key Persons


Abraham Ledezma

Job Titles:
  • Owner
  • Owners
Abraham received a B.A. in Anthropology Emphasis on Archaeology from Minnesota State University Moorhead (2008). He went on to receive a M.S. in Applied Anthropology from Missouri State University (2012) specializing in the use of remote sensing on historic sites. His thesis work involved the use of resistivity to identify cultural deposits at the Nathan Boone Homestead State Historic Site in Ash Grove, Missouri. At In Situ Archaeological Consulting, Abraham is responsible for developing scopes of work for an array of archaeological projects. His responsibilities also include preparing and maintaining project budgets, scheduling and supervising archaeological investigations, authoring technical reports, fostering communications with clients and regulatory agencies, and maintaining quality control to ensure investigations meet or exceed federal, state, and local regulations. His experience includes Phase I reconnaissance surveys, test excavations, archival reviews, artifact analysis, and geophysical surveys with electrical resistivity, magnetometry, and ground-penetrating radar. He has archaeological experience in Minnesota, North Dakota, Iowa, Wisconsin, Kansas, Texas, Oklahoma, Missouri, Ohio, Kentucky, Pennsylvania, Indiana, Michigan, and West Virginia. He has familiarity with permitting federal and state regulatory requirements. Abraham's understanding of regulation comes from his involvement with a variety of projects in various markets including: cellular towers, transmission lines, pipelines, stream restorations, windfarms, and housing developments. He meets state and federal standards for archaeological supervisor and principal investigator, and is listed on the Register of Professional Archaeologists.

Craig M. Picka

Job Titles:
  • Owner
  • Principal Investigator
Craig received a B.A. in Anthropology Emphasis on Archaeology from Minnesota State University Moorhead (2009). He went on to receive a M.S. in Applied Anthropology from the Missouri State University (2012) specializing in the study of heat treatment of stone raw materials. His thesis work involved an exercise in experimental archaeology to analyze the effects of heat treatment on two lithic raw material types in Missouri. At In Situ Archaeological Consulting, Craig is a Principal Investigator and is responsible for developing scopes of work, project management, personnel management, scheduling, supervising, and conducting archaeological investigations, authoring technical reports, fostering communications with clients and regulatory agencies, and overseeing QA/QC control process to ensure investigations meet or exceed federal, state, and local regulations. His experience includes supervising and conducting cultural resource surveys, supervising and conducting test excavations, overseeing QA/QC control process to ensure project quality, conducting multiple file searches with various state agencies, lab analysis, and conducting geophysical surveys with magnetometry, electrical resistivity, and down-hole magnetic susceptibility. He has archaeological experience in North Dakota, South Dakota, Montana, Texas, Kansas, Minnesota, Iowa, Wisconsin, and Missouri. Craig's understanding of regulation comes from his involvement with a variety of projects in various markets including transmission lines, pipelines, wind farms, oil and gas, seismic exploration, building development, and wetland mitigation. He meets state and federal standards for archaeological supervisor and principal investigator and is listed on the Register of Professional Archaeologists.