| The_Lehigh_Group Covers common marine knots, plus the Hangman's knot, the Scaffold knot, and the Gallows knot. Illustrations and common uses. |
| New_Zealand_Speleological_Society Covers common caving knots including the Figure 8, Figure 9, Alpine Butterfly, Italian hitch, and Tape knot. Illustrations and common uses. |
| Notable_Knot_Index New, useful, and interesting bends, loops, hitches, and knots. |
| The_Prusik_Knot Discussion, comments, and tips regarding use for both sailing and climbing. History. |
| Rec_crafts_knots_FAQ Frequently asked questions for the newsgroup, covering resources, recommendations, and links. |
| Rope_Rescue Presentation paper which exposes new students to safe, basic rope rescue fundamentals. Advanced students gain knowledge of proper techniques. All experiences are based on current testing and review |
| Ropers_Knots_Pages Index of knots with links, illustrations, and descriptions. |
| Ropeworks A book of knots, hitches, splicing, lashing and rope making. |
| Ruckus_Society Short climbers' knots manual. |
| Six_Exploding_Knots Covers six knots that untie easily, including the Sliding Butterfly, Double Carrick bend, and Clove Hitch Biting a Bight. Step-by-step illustrations with instructions and a table of properties. |
| Sophia-Antipolis_Speleogical_Society Covers common caving knots including the double figure-8 on a bight and the farmer's knot. Illustrations. |
| Team_Whiskers_Knots Catfishing Team. Includes information on baits, knots, rigs, tackle, recipes, and tournaments. |
| University_of_New_England_Mountaineering_Club Covers the Alpine Butterfly, Bowline, Clove hitch, and Fisherman's knot. Animation and common uses. |
| ABMaps Online interactive map of the world, with detailed street atlas for North America. |
| Atlapedia_Online Contains full color physical and political maps as well as key facts and statistics on countries of the world. |
| Atlas_of_the_Biosphere A collection of maps, schematics, and information about human-environment interactions, directed at the education community. |
| CIA_World_Factbook_-_Reference_Maps Various maps of the world in both jpeg and pdf format that are updated annually. |
| Cornell\'s_Digital_Earth Use this interactive atlas to create maps displaying land, oceans, borders, roads, lakes, rivers, roads, railroads, faults, mines, seismic, and other geological, geographical, and geophysical data. Re |
| Expedia_Maps Offers searchable listing in the United States and Europe by address and driving directions. |
| Google_Maps Provides directions, interactive maps, and satellite/aerial imagery of the United States. Can also search by keyword such as type of business. |
| Great_Circle_Mapper Shows great circle path between specified points on the globe with an aviation focus. |
| Map_Up Provides continental, oceanic, and country-specific maps, followed by geopolitical analysis. |
| Maporama Generates maps for a desired address or point of interest. Output is also viewable on handheld computers. |
| MapQuest Find directions for and explore towns and cities worldwide. Display addresses on a map, view nearby businesses, get driving directions and maps, and plan a trip with city information. Also includes ae |
| Maps_of_World Online maps showing countries of the world and continents. Too wide for smaller monitors. |
| MSN_Virtual_Earth Provides directions, interactive maps, and satellite/aerial imagery of the United States. Can also search by keyword such as type of business. |
| Multimap Global mapping service including street maps of Europe, North America and Australia. |
| Planet_Observer Displays country and ocean maps, followed by demographic data on each reviewed area. |
| Readmap_Project Online maps collection with political and economical overview of each country. |
| TerraFly Searchable aerial views of cities and towns in the United States. |
| TerraServer View maps and aerial photos of various parts of the Earth. |
| United_Nations__Cartographic_Section General country and special issues maps. |
| United_States_Library_of_Congress_Map_Collections Top-level categories include cities and towns, cultural, landscapes, conservation and environment, military battles and campaigns, discovery and exploration, transportation and communication. Searchab |
| Windows_Live_Local Combines online mapping and local search, uses a scratch pad to take notes, and allows to search questions around the United States in a geographical context. |
| Atomic_Clock_Time Displayed in a variety of useful formats. Site is a front-end to U.S. government atomic clocks. |
| The_Calendar Summarizes the history of various calendars developed and used over the centuries. |
| Calendar_Studies Information about calendar history and calendar reform. |
| Calendar_Zone A categorized collection of calendar related sites. |
| Date_Algorithms Provides descriptions, proofs and computer programming implementation examples to convert dates to various calendar dates for Julian, Gregorian, and Rata Die calendars. |
| English_Calendar Includes an ecclesiastical calendar and a section on old and new style dating. |