In 1981 and 1982 the Geophysics Group, ESS-3, of the Los Alamos National Laboratory was involved in an extensive series of field experiments devoted to fragmentation of oil shale. Los Alamos was part of the research team that participated in the experiments at the Anvil Points Mine, Colorado, and was supported by the Laramie Energy Technical Center at Laramie, Wyoming, as part of the Department of Energy's fossil fuel program. Anvil Points Mine is located on the Naval Oil Shale Reserve near Rifle, Colorado, in shale that is a member of the Green River formation. The purpose of the research project was to evaluate the feasibility of using the modified in situ (MIS) retort technique for recovery of kerogen from the oil shale using commercial explosives to produce the rubble bed and to develop computer codes to simulate fragmentation by blasting. Forty-five full-scale and twelve small-scale tests were conducted over a twelve-month period starting July 1981. The full-scale tests ranged from very simple cratering experiments to complex multiple-borehole configurations with two explosive columns in each hole designed to produce a rubble bed for determining fluid flow characteristics. This report documents the forty-five full-scale field tests in summary form. A written description outlines the as-fired features of each test including test name, location, and date; purpose for the test; geometric configuration and instrumentation; and principal results. In addition, each test is depicted in schematic diagrams to indicate visually the design features, instrumentation placement, and details of the explosive loading. The small-scale tests were directed at effects of kerfing and charge timing on fragmentation. However, these tests are not included in this report. 27 refs., 88 figs.