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Why a Harvey Map?Clear • Detailed • Waterproof * HARVEY has 25 years experience of making award winning maps. * HARVEY maps are compiled from original aerial surveys and field checked by our experienced surveyors, themselves hill-walkers. * HARVEY maps are clear and easy to use. They are a manageable size and waterproof. * HARVEY maps contain safety and services information with important telephone numbersThe HARVEY map has clear print so it is easy to read. Bright colours distinguish different land uses; * green for forest * blue for water * yellow for fields * No administrative symbols obscure the picture.The HARVEY map is detailed so walkers can find their way surely. Rights of Way (England and Wales) and the Access Concordat (Scotland) are included.Access area boundaries (National Trust etc.) are shown where appropriate. Naturally, the National Grid and Mountain Rescue posts are shown.For safe navigation in all conditions, contouring shows land shape in detail. Marshy ground, peat hags and rocky ground are indicated, so walkers can avoid them if they choose. |
| Colours and symbols on HARVEY mapsHARVEY maps are intended as a guide for hillwalkers and mountaineers, within the limits of their scale. Every walker going into the hills should take basic safety precautions, such as to know his/her own capabilities, take heed of the weather forecast, carry a compass and know how to use it, wear suitable clothing, and leave behind information about the route planned and the expected time of return.It is a hallmark of HARVEY publications that the map gives a clear picture of the shape of the ground. This is primarily done with the use of accurately plotted contours, supplemented by rock information. Major crags are clearly shown. However, to avoid cluttering and obscuring the picture of the ground with too many rock symbols, the map changes the contour colour from brown to grey where the ground is predominantly rocky (made up of smaller crags, slabs and other bare rock). This ground, like all cliff and crag areas, is potentially dangerous, and walkers should take extra care, particularly on descent and in wet/icy conditions.There is also a wealth of other detail on the map of use to a walker - see the key for details.For navigational purposes boundaries on higher ground and areas of rough pasture are included. However boundaries, specifically fences, are liable to change. Please allow for this. Within cultivated land, boundaries are not shown.MAP SYMBOLSMAN-MADE FEATURESRoads, tracks and paths are differentiated for easy recognition. A road is always tarmac. A track might be a current vehicle track, an old railway line or a forest road. A footpath is sufficiently clear to be found/followed even in poor weather conditions. An intermittent path is a small path followable in good conditions but might be difficult to follow at times, and might be crossed unnoticed. In any area there will always be a multitude of small paths and animal trails which are not shown on the map.No attempt is normally made to distinguish between public and private roads. However rights of way are shown in England and Wales. The appropriate symbol is used together with/without a footpath or track symbol, depending on whether the path is visible on the ground.The black symbol for a boundary may indicate a wall or fence. Where the boundary is in a ruinous state and therefore not as easy to find/follow, the symbol becomes grey. As far as possible all boundaries on moorland and other non-cultivated land are shown. However, new fences may be erected and their inclusion will have to await the next revision of the map. No attempt is made to distinguish between high deer and other fences. Within improved pasture boundaries are not shown.Cairns are generally only found on summits and prominent geographical features. Only large significant cairns are shown. There is a wide variety of other man-made features on the map, from buildings to trig points. All symbols are in the key.WATER FEATURESWatercourses are categorised according to how easy they are to cross. A narrow stream can be stepped over. A wide stream will not be crossable with dry feet without searching for a suitable point. A river would certainly involve getting wet unless you find a bridge. The wider the river, the broader the symbol. Footbridges are generally shown over rivers or wide streams. Bear in mind that they may disappear after severe flooding.Ground which is basically wet for all but the driest of seasons is shown as marsh. Ground which is peaty and wet with deeply eroded channels is a severe hindrance and large areas are shown with the special symbol: peat hag.LAND FORM FEATURESThe height, shape and slope of the ground is shown in great detail with contours at a 15m interval. Every fifth (index) contour is heavier to make height calculation easier. Auxiliary contour lines (form lines) are added to show features missed by the standard contours. They are approximately half way in height between the contour lines.Where the ground is covered by vegetation the contours are brown. Where the ground becomes predominantly rocky outcrops and small crags, the contours change to grey. The use of grey contours avoids the shape of the ground being masked by a multitude of crag symbols. An area shown with grey contours indicates that caution is required. It may be possible to find a route when ascending, but could be dangerous when descending, especially in bad weather.Major crags are shown with a separate symbol. They definitely indicate no-go areas for walkers. Significant large boulders are marked individually, as they can be used for navigation. Boulder field, stony ground and scree are shown where such areas pose significant obstacles to progress.In limestone country depressions, sink/shake holes and potholes are either shown with contours or specific symbols.CULTIVATED LANDPale green is used to highlight farmland and other cultivated land on British Mountain Maps (yellow on other HARVEY mapping). For the walker, access through farmland is always sensitive. The indication of the extent of farmland and routes/rights of way is intended to help the walker. If in doubt about access the farmer/landowner should always be approached.WOODLANDWoodland/forest can be a major obstacle to the hillwalker. To give access through forest HARVEY maps clearly distinguish between forest roads, rides and footpaths. Rides are linear breaks through the trees (firebreaks can be regarded as wide rides). They give access through the forest but may be very wet and heavy going. The forest is also graded into categories. Dense woodland (predominantly conifer) is effectively impassable, while open woodland (predominantly broadleaf) can be crossed if necessary. Areas of felling/new plantation (predominantly conifer) are not differentiated on BMC maps. OTHER FEATURESThere is a wide variety of other information on the map - the location of car parks, camping sites, public telephones, etc. All symbols are illustrated in the key. |
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