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California: Southern, Central, Northern?
I'm trying to download some 1:24000 topo maps for use in my mapping
program, Memory-Map. But their digital map shop interface is a masterpiece of poor design. One (relatively minor) problem is that it splits California into three separate maps: Southern, Central and Northern. But doesn't provide any outline maps or definitions. Are these formally recognised areas? If so, could someone point me to a map clearly showing the boundaries please? -- Terry, East Grinstead, UK |
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California: Southern, Central, Northern?
On Tue, 01 Feb 2011 10:06:34 +0000, Terry Pinnell
wrote: I'm trying to download some 1:24000 topo maps for use in my mapping program, Memory-Map. But their digital map shop interface is a masterpiece of poor design. One (relatively minor) problem is that it splits California into three separate maps: Southern, Central and Northern. But doesn't provide any outline maps or definitions. Are these formally recognised areas? If so, could someone point me to a map clearly showing the boundaries please? Terry, I was born in California and have lived most of my life here, and I regret to inform you that there is no standardized approach. Some mapmakers seem to draw arbitrary lines, sometimes straight geometrics and other times roughly following natural lines like mountains. FWIW some of our major metropolitan areas are likewise divided (albeit in the interest of providing greater detail). You might get a rough idea of the divisions if you compare your Memory-Map with some of the Google maps (which I generally find very useful). -- Don Kirkman |
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California: Southern, Central, Northern?
?Central = north of LA and south of the Bay Area
"Don Kirkman" wrote in message ... On Tue, 01 Feb 2011 10:06:34 +0000, Terry Pinnell wrote: I'm trying to download some 1:24000 topo maps for use in my mapping program, Memory-Map. But their digital map shop interface is a masterpiece of poor design. One (relatively minor) problem is that it splits California into three separate maps: Southern, Central and Northern. But doesn't provide any outline maps or definitions. Are these formally recognised areas? If so, could someone point me to a map clearly showing the boundaries please? Terry, I was born in California and have lived most of my life here, and I regret to inform you that there is no standardized approach. Some mapmakers seem to draw arbitrary lines, sometimes straight geometrics and other times roughly following natural lines like mountains. FWIW some of our major metropolitan areas are likewise divided (albeit in the interest of providing greater detail). You might get a rough idea of the divisions if you compare your Memory-Map with some of the Google maps (which I generally find very useful). -- Don Kirkman |
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California: Southern, Central, Northern?
On Tue, 01 Feb 2011 10:06:34 +0000, Terry Pinnell wrote:
I'm trying to download some 1:24000 topo maps for use in my mapping program, Memory-Map. But their digital map shop interface is a masterpiece of poor design. One (relatively minor) problem is that it splits California into three separate maps: Southern, Central and Northern. But doesn't provide any outline maps or definitions. Are these formally recognised areas? If so, could someone point me to a map clearly showing the boundaries please? I'm pretty sure that's the USGS breakdown for the purposes of the index maps that show the topo sheets available. These index maps can be bedsheet sized for the large western states, so a breakdown is almost a necessity. -- Dave Hatunen, Tucson, Arizona, out where the cacti grow |
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California: Southern, Central, Northern?
David Hatunen wrote:
On Tue, 01 Feb 2011 10:06:34 +0000, Terry Pinnell wrote: I'm trying to download some 1:24000 topo maps for use in my mapping program, Memory-Map. But their digital map shop interface is a masterpiece of poor design. One (relatively minor) problem is that it splits California into three separate maps: Southern, Central and Northern. But doesn't provide any outline maps or definitions. Are these formally recognised areas? If so, could someone point me to a map clearly showing the boundaries please? I'm pretty sure that's the USGS breakdown for the purposes of the index maps that show the topo sheets available. These index maps can be bedsheet sized for the large western states, so a breakdown is almost a necessity. Thanks all. I persuaded Memory-Map support to prepare a set of routes outlining the respective sections. In case you're curious, I've shown these in this screenshot. As you surmised, Don, it looks an arbitrary choice, not an 'official' one. http://dl.dropbox.com/u/4019461/Cali...Boundaries.jpg -- Terry, East Grinstead, UK |
#6
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California: Southern, Central, Northern?
On Feb 1, 2:06*am, Terry Pinnell wrote:
I'm trying to download some 1:24000 topo maps for use in my mapping program, Memory-Map. But their digital map shop interface is a masterpiece of poor design. One (relatively minor) problem is that it splits California into *three separate maps: Southern, Central and Northern. But doesn't provide any outline maps or definitions. Are these formally recognised areas? If so, could someone point me to a map clearly showing the boundaries please? -- Terry, East Grinstead, UK There is an official line separating northern and southern California. But I don't know of one that separates out central California. |
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