71.   They contain detailed maps, photos and drawings.

72.   They measured the heights of mountain passes, determined the sources of rivers, produced detailed maps and took valuable photographs.

73.   This time, firefighters had detailed maps that showed the age of brush and contour of the terrain, Zardeneta said.

74.   This year, for the first time, the report includes a detailed map of each country and survey results for each beach.

75.   This detailed map will help researchers better understand the effects of brain damage and aging.

76.   Volunteers preside over a detailed map of all the cemeteries in the county and supervise leather-clad volumes filled with land transactions, probate and criminal indictments.

77.   What makes this reference book a hit is the erudite and knowledgeable writing, the vivid color photographs and the detailed maps, updated and redrawn.

78.   You can often call up a detailed map for each deck of a ship, for example.

79.   You can also call up the same information using a map of the United States and zooming in on detailed street maps of your neighborhood.

80.   You can, however, call up detailed maps.